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Flight time calculator 2026
When planning a flight, it is essential not only to know how long the journey takes but also to account for time zone differences. Our flight time calculator converts flight duration from minutes to hours and shows the time zone offset — how many hours you need to adjust your watch after landing. It is ideal for tourists planning holidays and business travellers alike. Simply enter the flight duration in minutes (available on your airline ticket or travel search engine) and the time difference between your departure and destination time zones. The results show the flight time in hours — a convenient format for planning — and the time zone offset. With these figures you can easily calculate the local arrival time at your destination, prepare for jet lag, and plan the first hours after landing more effectively.
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How we calculate flight time
Flight time in hours = number of minutes ÷ 60, rounded to 2 decimal places. The time zone offset is an informational value — the difference in hours between the departure and destination time zones. To calculate the arrival time in local destination time: departure time (local departure) + flight time in hours + time zone difference = arrival time (local destination time). A negative offset means the destination is behind the departure time zone.
Example: Warsaw to Bangkok
The flight from Warsaw to Bangkok takes approximately 570 minutes (9 hrs 30 min). Bangkok is UTC+7, Poland is UTC+1 in winter, so the time difference is +6 hours. If the plane departs at 10:00 Warsaw time, after 9 hrs 30 min it is 19:30 Warsaw time — but in Bangkok it is already 01:30 the next day (19:30 + 6 hours). The calculator shows: flight time = 9.5 h, time zone offset = +6.
Frequently asked questions
How do I convert flight time from minutes to hours?
Simply divide the number of minutes by 60. For example, a 180-minute flight equals exactly 3 hours. Our calculator does this automatically and displays the result in hours rounded to two decimal places.
What is the time difference and how does it affect flight planning?
The time difference is the number of hours by which the destination time zone is ahead of or behind the departure time zone. A positive value means the destination is later (eastward flight) and a negative value means it is earlier (westward flight). Enter this value in the calculator to know how to adjust your watch after landing.
How long is a flight from Warsaw to London?
A direct flight from Warsaw to London typically takes 2 hours 30 minutes to 2 hours 50 minutes, approximately 150–170 minutes. The time difference between Poland and the UK is -1 hour (London is one hour behind Warsaw in standard time).
How long is a flight from Warsaw to New York?
A direct flight from Warsaw to New York (JFK) takes around 9–10 hours, or 540–600 minutes. The time difference is -6 hours in winter, meaning that after a 10-hour flight, the local time is 4 hours earlier than when you departed from Warsaw.
Does the calculator account for time zones when calculating arrival time?
The calculator displays the time zone offset as an informational result. To find the local arrival time, add the flight duration in hours to the local departure time, then add or subtract the time zone difference. A negative offset means subtraction.
What is jet lag and how can I minimise it?
Jet lag is a disruption of the body's circadian rhythm caused by rapid movement across time zones. The body needs roughly one day to adapt for every hour of time difference. Effective strategies include gradually shifting your sleep schedule before the flight, staying hydrated in-flight, and exposing yourself to natural light at your destination.
What do UTC and GMT mean in relation to time zones?
UTC (Coordinated Universal Time) is the standardised atomic timescale that underpins all time zones worldwide. GMT (Greenwich Mean Time) is the solar time at the Prime Meridian (0° longitude) and is essentially equivalent to UTC. Poland is in the UTC+1 zone in winter and UTC+2 in summer (daylight saving time).
How can I find the actual flight time before buying a ticket?
The block time shown on a ticket includes taxiing and built-in buffers — the actual airborne time is typically 10–20 minutes shorter. Our tool lets you convert any flight duration in minutes to hours and assess how the time zone difference will affect your plans.
Is the day shorter when flying east?
Yes. When flying east (e.g. to Japan), you move towards the rising sun, so the day feels shorter and you may lose several hours of sleep. When flying west (e.g. to the USA), the day is longer. The time difference shown in the calculator helps you estimate by how many hours your day will be shorter or longer.
What formula does the flight time calculator use?
Flight time in hours = minutes ÷ 60. The result is rounded to two decimal places. The time zone offset is displayed as an informational value — the calculator gives you all the data needed to calculate the local arrival time yourself.
This calculator is for informational and estimation purposes only. Actual flight times may differ from scheduled times due to weather conditions, air traffic routing, and air traffic control decisions.