9+ Toronto to Tokyo Flight Time: Direct & Non-Stop


9+ Toronto to Tokyo Flight Time: Direct & Non-Stop

The duration of a journey by air between Toronto Pearson International Airport (YYZ) and Tokyo’s Narita (NRT) or Haneda (HND) airports is a crucial factor for travelers. This duration is influenced by various elements, including the specific route, chosen airline, weather conditions, and any necessary layovers. Direct flights generally offer the quickest travel option. For instance, a non-stop westward journey might typically take approximately 13-14 hours, while an eastward flight, taking advantage of jet stream currents, could be slightly shorter.

Understanding the typical length of these transpacific flights enables travelers to plan accordingly. Accurately estimating travel time allows for better itinerary management, connecting flight arrangements, and overall trip optimization. Historically, these routes have become significantly more efficient due to advancements in aviation technology. This efficiency translates to shorter journeys and increased convenience for passengers crossing the Pacific Ocean.

This information serves as a foundation for exploring related topics such as flight schedules, airline options, travel tips for long-haul flights, and potential cost implications associated with varying journey durations. These factors will be further elaborated upon in subsequent sections.

1. Distance

Distance plays a fundamental role in determining the duration of a flight from Toronto to Tokyo. While the most direct route, the great circle route, represents the shortest physical distance between the two cities, actual flight paths may vary due to a variety of factors. Understanding these factors and their influence on distance traveled provides valuable context for estimating flight times.

  • Great Circle Distance

    The great circle distance between Toronto and Tokyo is approximately 10,350 kilometers (6,430 miles). This represents the theoretical minimum distance an aircraft must travel. However, due to air traffic control, wind patterns, and other factors, the actual flight path often deviates from this ideal, leading to longer flight times.

  • Impact of Flight Path Deviations

    Deviations from the great circle route due to jet stream utilization, weather avoidance, or air traffic control can add to the total distance flown, increasing the overall flight duration. For example, a flight heading westward might take a more northerly route to utilize the jet stream, while an eastward flight might fly a more southerly path for the same reason. These deviations can add several hundred kilometers to the overall journey.

  • Relationship Between Distance and Flight Time

    There’s a direct correlation between distance and flight time. A longer distance necessitates a longer flight duration, assuming a constant speed. While modern aircraft allow for high cruising speeds, the physical distance between Toronto and Tokyo establishes a baseline minimum travel time that cannot be significantly reduced without advancements in aircraft technology.

  • Comparison with Other Long-Haul Flights

    Comparing the Toronto-Tokyo route with other long-haul flights provides perspective. Flights between New York and London, for instance, cover a significantly shorter distance, resulting in considerably shorter flight times. This comparison highlights the impact of distance on transpacific journeys.

The distance between Toronto and Tokyo is a key determinant of flight duration. While the great circle distance provides a baseline, deviations from this route, influenced by operational and environmental factors, contribute to the final flight time. Understanding this relationship allows for realistic expectations regarding travel time and facilitates informed flight selection.

2. Route

The chosen flight route significantly impacts the overall duration of a journey from Toronto to Tokyo. While the shortest distance between two points is a straight line (the great circle route), several factors necessitate deviations from this ideal path, affecting flight times. These factors include jet stream currents, weather systems, airspace restrictions, and political considerations. Airlines carefully select routes to optimize fuel efficiency and minimize travel time while adhering to safety regulations. For instance, westbound flights often utilize the jet stream by flying a more northerly route, potentially over Alaska or the Arctic, adding distance but reducing time due to tailwinds. Conversely, eastbound flights might take a more southerly route, closer to the US West Coast, to avoid headwinds. This route selection, while seemingly adding mileage, often results in a shorter flight time.

The impact of route selection on flight time becomes particularly evident when comparing direct flights versus those with layovers. Direct flights, while typically following a closer approximation of the great circle route, can still be influenced by jet stream conditions. Flights with layovers, such as those stopping in Vancouver, Calgary, or a US city, introduce additional time for ground operations and potentially longer overall travel times, depending on the layover duration and connecting flight schedule. However, layovers sometimes provide more schedule flexibility or cost savings that might outweigh the extended travel time for certain travelers. Examining specific flight routes offered by different airlines highlights the variations in flight duration based on these chosen paths. This analysis enables informed decisions regarding route preference based on individual travel priorities.

Understanding the relationship between route and flight time is crucial for effective trip planning. While the shortest distance might seem ideal, considering jet streams, weather, and potential layovers provides a more comprehensive understanding of the actual travel duration. This knowledge empowers travelers to prioritize factors such as speed, cost, and convenience when selecting flights between Toronto and Tokyo.

3. Airline

Airline selection plays a crucial role in determining the overall flight time between Toronto and Tokyo. Different airlines employ varying strategies regarding route planning, aircraft type, and scheduling, all of which contribute to the total travel duration. For example, Air Canada, often offering direct flights, might prioritize speed with more modern aircraft and efficient routing. In contrast, an airline like ANA, while also offering direct flights, may utilize different aircraft with potentially varying cruising speeds. Airlines opting for indirect routes, such as those with layovers in other cities, often involve partnerships with other airlines (code-sharing), adding complexity to the overall journey and potentially impacting total travel time due to connection times. Examining the specific flight schedules of different airlines reveals these differences in approach and their resulting effects on duration. This understanding enables informed decision-making when selecting an airline for this long-haul route.

The choice of airline influences not only the overall flight time but also the in-flight experience. While a direct flight on a newer aircraft might offer a shorter travel time, factors like seat comfort, in-flight entertainment, and service quality can significantly impact the perception of duration. For instance, a well-regarded airline known for passenger comfort might make a slightly longer flight seem more manageable than a shorter flight on a budget airline with fewer amenities. Consequently, evaluating airlines based on a combination of flight time and passenger experience provides a more holistic approach to route selection, aligning with individual travel preferences and priorities.

Understanding the multifaceted influence of airline choice on the Toronto to Tokyo route empowers travelers. Considering factors beyond the headline flight time, such as route, aircraft type, and potential layovers, alongside the airline’s reputation for service and comfort, facilitates a more informed selection process. This comprehensive evaluation enables travelers to optimize their journey based on individual needs and preferences, balancing the desire for a swift journey with the importance of a comfortable and positive in-flight experience.

4. Aircraft Type

Aircraft type significantly influences the duration of flights between Toronto and Tokyo. Different aircraft models possess varying cruising speeds, fuel efficiencies, and operational capabilities that directly impact travel time. Understanding these distinctions allows for more informed flight selection based on individual priorities, whether prioritizing speed or other factors.

  • Cruising Speed

    The cruising speed of an aircraft directly correlates with flight time. Modern, wide-body jets like the Boeing 787 Dreamliner or Airbus A350 typically cruise at higher speeds than older models, potentially reducing the overall journey duration on long-haul flights like Toronto to Tokyo. For example, a Boeing 777 might have a slightly lower cruising speed compared to a more modern Airbus A350, resulting in a potentially longer flight time for the same route.

  • Fuel Efficiency

    Fuel efficiency indirectly impacts flight time. More fuel-efficient aircraft may allow for fewer or shorter refueling stops, especially on ultra-long-haul flights. While not directly impacting cruising speed, minimizing ground time contributes to a shorter overall travel duration. The Boeing 787, known for its fuel efficiency, may be chosen over less efficient models for this reason.

  • Aircraft Range

    Aircraft range determines the feasibility of direct flights. Long-range aircraft can complete the Toronto-Tokyo route without refueling, while shorter-range aircraft might necessitate a layover, adding to the overall travel time. The Airbus A350’s extended range allows for direct flights on this route, while an aircraft with a shorter range might require a stop in a hub like Vancouver or a US city, adding several hours to the total journey.

  • Capacity and Configuration

    While less directly related to speed, the aircraft’s capacity and configuration can indirectly influence flight time. Larger aircraft with higher passenger capacity may require slightly longer ground times for boarding and deplaning, potentially adding minutes to the overall travel duration compared to smaller, more nimble aircraft. This factor, while less significant than cruising speed or route, contributes to the total journey time.

The choice of aircraft deployed on the Toronto-Tokyo route directly affects flight duration. Factors such as cruising speed, fuel efficiency, range, and even passenger capacity contribute to the overall travel time. Evaluating these factors in conjunction with route and airline considerations enables travelers to make informed choices based on individual priorities, balancing speed with other factors influencing the travel experience.

5. Wind Speed

Wind speed plays a crucial role in determining the duration of flights between Toronto and Tokyo. The presence of jet streams, high-altitude air currents, significantly impacts flight times, particularly on transpacific routes. Understanding the influence of these wind patterns allows for a more nuanced understanding of flight duration variations and the strategic route planning employed by airlines.

  • Jet Stream Impact

    Jet streams, predominantly westerly winds at high altitudes, can either assist or impede aircraft depending on the direction of travel. Westbound flights from Toronto to Tokyo often utilize the jet stream to their advantage, reducing flight times by several hours. Conversely, eastbound flights face headwinds from the jet stream, resulting in longer flight durations. Airlines carefully plan routes to maximize tailwind assistance and minimize headwind resistance, impacting both fuel efficiency and overall travel time.

  • Headwinds vs. Tailwinds

    The distinction between headwinds and tailwinds is crucial in understanding the influence of wind speed on flight time. Tailwinds, blowing in the same direction as the aircraft, effectively increase the ground speed, shortening the journey. Headwinds, blowing against the aircraft, reduce the ground speed, lengthening the journey. This impact can be significant, with strong jet stream winds causing variations of several hours in flight time between identical routes in opposite directions.

  • Route Planning and Wind Forecasts

    Airlines meticulously analyze wind forecasts when planning routes. Sophisticated meteorological data informs flight path decisions, optimizing for tailwind utilization or headwind mitigation. This dynamic route planning aims to minimize fuel consumption and ensure predictable arrival times, even in the face of varying wind conditions. For example, a flight might deviate slightly north or south of the great circle route to take advantage of favorable jet stream currents.

  • Seasonal Variations in Wind Patterns

    Wind patterns, including the strength and position of jet streams, exhibit seasonal variations. These fluctuations influence flight times throughout the year. During certain seasons, jet streams might be stronger or positioned more favorably for specific routes, leading to shorter flight times. Conversely, weaker or less favorably positioned jet streams during other seasons can result in longer journeys. Travelers should consider these seasonal variations when planning trips and anticipating potential flight time differences.

Wind speed, particularly the presence and behavior of jet streams, significantly impacts flight times between Toronto and Tokyo. Airlines actively consider these factors during route planning, adjusting flight paths to optimize for wind conditions and minimize travel duration. Understanding the complex relationship between wind speed, direction, and flight time allows for more informed travel planning and realistic expectations regarding journey length.

6. Air Traffic Control

Air traffic control (ATC) plays a critical role in managing the flow of aircraft globally, directly impacting flight times between Toronto and Tokyo. ATC’s primary function is to ensure safe separation between aircraft, optimize flight paths, and manage traffic flow at busy airports. Delays caused by ATC instructions can significantly influence overall journey duration, particularly on long-haul routes. Understanding the intricacies of ATC operations provides insights into potential delays and the strategies airlines employ to mitigate their impact.

  • Departure Sequencing and Ground Delays

    At busy airports like Toronto Pearson, departure sequencing can introduce delays. ATC manages the order in which aircraft take off, considering factors such as destination, aircraft type, and prevailing weather conditions. Ground delays, where aircraft are held on the ground before takeoff to manage traffic congestion at the destination airport or along the route, can add significant time to the overall journey. This is particularly relevant for flights departing during peak hours or during periods of inclement weather.

  • En Route Holding Patterns and Rerouting

    Occasionally, aircraft experience en route delays due to unforeseen circumstances such as weather systems, airspace closures, or other traffic congestion. ATC may instruct pilots to enter holding patterns, circling a designated area until clearance is granted to proceed. Alternatively, rerouting might be necessary to avoid congested areas or hazardous weather, potentially adding distance and time to the flight. These en route delays can significantly impact flight duration, especially on long-haul flights like Toronto to Tokyo.

  • Arrival Sequencing and Landing Delays

    Similar to departure sequencing, ATC manages the arrival flow at busy destinations like Narita or Haneda airports in Tokyo. Arrival sequencing ensures safe landing intervals between aircraft, preventing conflicts and ensuring efficient runway utilization. Landing delays can occur due to congestion, weather conditions, or other unforeseen circumstances. These delays, while sometimes unavoidable, contribute to the overall flight time.

  • Airspace Management and Route Optimization

    ATC plays a crucial role in airspace management, defining routes and altitudes for aircraft to follow. Efficient airspace management ensures safe separation and optimizes traffic flow, minimizing delays and maximizing efficiency. However, factors such as military exercises, restricted airspace, or other unforeseen events can necessitate route adjustments, potentially impacting flight times. Airlines work closely with ATC to minimize the impact of these disruptions and maintain efficient operations.

Air traffic control exerts a significant influence on the overall duration of flights between Toronto and Tokyo. Delays arising from departure sequencing, en route holding patterns, arrival management, or airspace restrictions can cumulatively add substantial time to the journey. While airlines strive to mitigate these factors through careful planning and coordination with ATC, the dynamic nature of air travel necessitates flexibility and understanding from travelers. Recognizing the role of ATC in managing the complexities of global air traffic provides context for potential flight time variations and reinforces the importance of real-time flight tracking and communication with airlines regarding potential delays.

7. Seasonality

Seasonality significantly influences flight times between Toronto and Tokyo. This impact stems primarily from variations in prevailing wind patterns, particularly the strength and position of the jet stream, and secondly from variations in air traffic density due to peak travel seasons. The jet stream, a high-altitude air current, flows west-to-east across the Pacific. Its strength and location shift throughout the year. During winter months, the jet stream typically strengthens and sits further south, creating stronger headwinds for eastbound flights (Tokyo to Toronto) and stronger tailwinds for westbound flights (Toronto to Tokyo). This can result in noticeable differences in flight times, with westbound journeys potentially experiencing shorter durations and eastbound journeys potentially experiencing longer durations compared to other times of the year. Conversely, during summer months, the jet stream weakens and shifts northward, leading to less pronounced effects on flight times in either direction. For example, a westbound flight in winter might be an hour shorter than the same flight in summer, while an eastbound flight in winter could be an hour longer.

Beyond wind patterns, air traffic density also contributes to seasonal variations in flight times. Peak travel seasons, such as summer holidays and major holidays like Christmas and New Year’s, experience higher air traffic volume. This increased density can lead to more congestion at airports and in the air, resulting in potential delays in departure, en route, and upon arrival. These delays, while not directly related to flight time itself, contribute to the overall travel duration. For instance, a flight during a peak season might experience longer taxiing times and potential holding patterns due to air traffic congestion, adding to the total journey time. Conversely, during off-peak seasons, lower air traffic volume can lead to smoother operations and potentially shorter overall travel times due to reduced congestion.

Understanding the influence of seasonality on flight times allows for more informed travel planning. Considering seasonal variations in jet stream behavior and air traffic density enables travelers to anticipate potential fluctuations in journey duration. This awareness facilitates realistic expectations, allowing for appropriate scheduling and minimizing the impact of potential delays on overall travel itineraries. Recognizing these seasonal influences allows travelers to strategically choose travel dates, potentially optimizing for shorter flight times or accepting potentially longer durations depending on individual priorities and schedule flexibility.

8. Layovers

Layovers introduce a significant variable into the total travel time between Toronto and Tokyo. While direct flights offer the shortest flight duration in the air, they are not always the most practical or economical option. Layovers, involving a planned break in a journey at an intermediate airport before boarding a connecting flight to the final destination, can significantly lengthen the overall travel time. This added time stems from several factors: the layover duration itself, which can range from a few hours to an entire day; the time required to disembark the first aircraft, navigate the connecting airport, and board the second aircraft; and potential delays in either the initial or connecting flight, which can cascade and amplify the overall impact on the total journey duration. For example, a layover in Vancouver might add 2-3 hours to the total travel time, while a layover in a US hub could add 4-6 hours or more, depending on the connection schedule. Choosing an itinerary with a layover often involves balancing cost considerations against the extended travel time. A flight with a layover might offer significant cost savings compared to a direct flight, making it an attractive option for budget-conscious travelers willing to accept a longer journey.

The strategic use of layovers can offer advantages beyond cost savings. They can provide opportunities to break up a long journey, reducing fatigue, especially beneficial for travelers sensitive to the rigors of extended flights. A layover can also allow for exploring the intermediate city, adding an additional travel experience to the overall trip. However, these advantages must be weighed against the potential drawbacks. Longer layovers increase the risk of missed connections due to unexpected delays. They also introduce complexities regarding baggage transfer, potentially leading to lost or delayed luggage. Furthermore, layovers require careful planning to ensure smooth transitions between flights, including navigating potentially unfamiliar airports and adhering to visa requirements if the layover involves an international transit. Real-life scenarios illustrate these trade-offs. A traveler might choose a layover in Seoul to experience the city briefly, accepting the additional travel time for the added cultural exposure. Conversely, a business traveler might prioritize a direct flight to minimize travel time and maximize productivity, even at a higher cost.

The decision of whether to include a layover when traveling between Toronto and Tokyo requires careful consideration of various factors. While layovers invariably increase total travel time, they can offer cost savings and other potential benefits. Balancing these advantages against the potential drawbacks of extended travel durations, increased complexity, and the risk of missed connections requires a thorough assessment of individual travel priorities and circumstances. Understanding the inherent trade-offs associated with layovers empowers travelers to make informed decisions aligning with their specific needs and preferences, optimizing the balance between cost, convenience, and overall travel duration.

9. Direct Flights

Direct flights represent a critical factor influencing the overall travel time between Toronto and Tokyo. Eliminating the need for intermediate stops, direct flights inherently offer the shortest airborne travel duration. This efficiency stems from the avoidance of layover durations, connecting flight schedules, and the time associated with disembarking, navigating connecting airports, and re-boarding. A direct flight typically completes the journey in approximately 13-14 hours westbound and slightly less eastbound due to prevailing jet stream currents. This contrasts sharply with itineraries involving layovers, which can extend the total travel time by several hours, depending on the connection’s location and duration. For instance, a direct flight on Air Canada might take 13 hours, while a flight with a layover in Vancouver on the same airline could extend the journey to 15-16 hours or more. This difference highlights the substantial impact of direct routing on overall travel time.

The availability and frequency of direct flights are often subject to seasonal variations and airline scheduling decisions. During peak travel seasons, airlines may increase the frequency of direct flights to accommodate higher demand. Conversely, during off-peak seasons, direct flights might be less frequent or even unavailable, necessitating layovers. This variability underscores the importance of advance planning and flexibility when seeking the most time-efficient travel option. For example, during the summer months, airlines might offer multiple daily direct flights, while during the winter, direct flights could be reduced to a few times per week or routed through a connecting hub. This seasonal fluctuation necessitates careful consideration of travel dates and potential route options when prioritizing minimizing overall travel time.

Prioritizing direct flights offers substantial benefits for time-sensitive travelers. The reduced travel time translates to increased productivity, minimized disruption to schedules, and reduced travel fatigue. However, the premium associated with direct flights, often reflected in higher ticket prices, requires careful consideration of budget constraints. Balancing the value of time saved against the potential cost premium necessitates a comprehensive evaluation of individual travel priorities and circumstances. This informed decision-making process empowers travelers to select the most suitable itinerary based on their specific needs, effectively balancing the desire for efficient travel with budgetary considerations. Understanding the direct correlation between direct flights and minimized travel time on the Toronto-Tokyo route facilitates informed choices and contributes to a more streamlined and efficient travel experience.

Frequently Asked Questions

This section addresses common inquiries regarding flight durations between Toronto and Tokyo, providing clarity and facilitating informed travel planning.

Question 1: What is the typical direct flight time from Toronto to Tokyo?

Direct flights generally take 13-14 hours westbound and slightly less eastbound due to prevailing winds. However, actual flight times can vary based on specific routes, aircraft type, and weather conditions.

Question 2: How does the choice of airline influence the overall travel time?

Airlines utilize different aircraft, routes, and layover strategies. These factors impact the total travel time. Selecting an airline offering direct flights typically results in the shortest overall journey duration.

Question 3: Do layovers always result in significantly longer journeys?

While layovers extend total travel time due to connection waits, they can sometimes offer cost savings or opportunities to break up a long journey. The duration of the layover itself and the efficiency of the connecting flight contribute to the overall impact on travel time.

Question 4: How does seasonality affect flight times on this route?

Seasonal variations in wind patterns, particularly the strength and position of the jet stream, influence flight durations. Westbound flights might be shorter in winter due to stronger tailwinds, while eastbound flights might be longer. Additionally, peak travel seasons can lead to increased air traffic congestion and potential delays.

Question 5: What role does aircraft type play in determining flight time?

Different aircraft have varying cruising speeds and fuel efficiencies. Modern aircraft like the Boeing 787 Dreamliner or Airbus A350 often offer faster cruising speeds, potentially reducing overall flight time compared to older models. Fuel efficiency indirectly impacts duration by potentially minimizing the need for refueling stops.

Question 6: How can travelers mitigate the impact of potential delays on their itineraries?

Staying informed about real-time flight status, allowing ample connection time when booking layovers, and considering travel insurance for unforeseen circumstances can help mitigate the impact of potential delays. Flexibility in travel plans and open communication with airlines also contribute to smoother transitions in case of disruptions.

Careful consideration of these factors facilitates informed decision-making and contributes to realistic expectations regarding travel times between Toronto and Tokyo.

For further information and specific flight schedules, consult airline websites or reputable travel agencies.

Tips for Managing Toronto to Tokyo Flight Time

Minimizing the impact of a long journey between Toronto and Tokyo requires strategic planning and consideration of various factors influencing overall travel time. These tips provide practical guidance for optimizing travel experiences on this demanding route.

Tip 1: Prioritize Direct Flights: Opting for a direct flight, whenever feasible, significantly reduces overall travel time by eliminating layovers and associated connection times. While potentially more expensive, direct flights offer substantial time savings, minimizing journey duration and maximizing time spent at the destination.

Tip 2: Consider Time Zone Changes: The significant time difference between Toronto and Tokyo (13 hours) necessitates careful planning to minimize jet lag. Selecting a flight schedule that aligns with natural sleep patterns can ease the transition and maximize alertness upon arrival.

Tip 3: Book Flights Strategically: Leverage online resources to compare flight schedules and durations offered by different airlines. Consider factors such as departure and arrival times, aircraft type, and historical on-time performance when selecting flights.

Tip 4: Pack Smart for Long-Haul Travel: Carry-on essentials for long flights include comfort items like neck pillows, eye masks, and noise-canceling headphones. Packing strategically minimizes checked baggage handling time, streamlining the arrival process.

Tip 5: Account for Airport Transit Time: Toronto Pearson and Tokyo’s Narita and Haneda airports are large and complex. Factoring in sufficient time for check-in, security procedures, and navigating between terminals ensures smooth transitions and minimizes the risk of missed connections.

Tip 6: Monitor Flight Status: Stay informed about real-time flight status using airline apps or online tracking tools. This awareness allows for proactive adjustments to plans in case of unexpected delays, minimizing disruptions to connecting flights or ground transportation.

Tip 7: Utilize Airport Amenities During Layovers: If layovers are unavoidable, maximize comfort and productivity by utilizing airport amenities such as lounges, workspaces, or relaxation areas. Planning layover activities minimizes the perceived duration and enhances the overall travel experience.

Implementing these strategies optimizes travel time management and enhances comfort on the long journey between Toronto and Tokyo. Careful planning and consideration of these factors contribute significantly to a smoother, more efficient, and ultimately more enjoyable travel experience.

By understanding and addressing the factors influencing flight time, travelers can minimize travel-related stress and maximize the enjoyment of their journey. The subsequent conclusion will summarize the key takeaways and offer final recommendations for optimizing the Toronto to Tokyo travel experience.

Conclusion

The duration of a Toronto to Tokyo flight hinges on a complex interplay of factors. Distance, while fundamental, interacts with route selection, influenced by prevailing winds and jet stream currents. Airline choices introduce variations stemming from aircraft type, layover strategies, and specific route preferences. Operational factors, including air traffic control and seasonal variations in weather and passenger volume, further influence overall travel time. Understanding these interconnected elements provides a framework for informed decision-making and realistic expectations regarding journey duration. Direct flights offer the most time-efficient option, minimizing travel time by eliminating layovers, but often come at a premium cost. Layovers, while extending overall journey duration, can provide cost savings or opportunities to break up long flights. Ultimately, optimizing travel time requires careful consideration of individual priorities, balancing speed, cost, and comfort.

Effective management of travel time on this long-haul route requires proactive planning, strategic decision-making, and a nuanced understanding of the dynamic factors influencing flight duration. Travelers equipped with this knowledge can navigate the complexities of transpacific travel more effectively, minimizing potential disruptions and maximizing the value of their time en route. Continued advancements in aviation technology and operational efficiency promise future improvements in travel time, further enhancing the connectivity between these two global hubs.