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Time Zone Planner

Add every city you need, drag the slider to see local times across all of them simultaneously, and find the best window for calls or meetings across time zones.

Daylight saving changes the offsets
Most of Africa, Asia and the Middle East do not observe daylight saving time. This means offsets between these regions and Europe or North America shift by one hour twice a year, so always recheck before important international calls.
Multi-city time zone planner
Add cities, drag the slider, find your overlap window
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Booking flights across time zones?
Compare schedules, arrival times and layover options across all major airlines.
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Common time differences
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Common questions

What is the time difference between London and New York?
The USA spans multiple time zones. London is typically 5 hours ahead of New York (Eastern Time), 6 hours ahead of Chicago (Central), 7 hours ahead of Denver (Mountain) and 8 hours ahead of Los Angeles (Pacific). These differences can shift by an hour around daylight saving changes, since the UK and USA change their clocks on different dates.
Which countries do not observe daylight saving time?
Most of Africa, most of Asia, and all of the Middle East do not observe daylight saving time. This means the time difference between these regions and countries that do observe DST actually changes twice a year, even though the destination itself never changes its clocks. Kenya, for example, is always UTC+3, but the UK changes by one hour twice a year.
How do I reduce jet lag on a long flight?
Start adjusting your sleep schedule two to three days before departure in the direction of your destination time zone. Stay well hydrated and avoid alcohol on the flight. On arrival, get outside in natural daylight as soon as possible. This is one of the most effective ways to reset your body clock. If you must nap on arrival day, limit it to 30 minutes.
What is the best time to schedule an international call?
Use this planner to find the hours when all participants are within their reasonable working hours (8am to 8pm local time). If no overlap exists, the standard compromise is to ask one party to take an early morning or late evening call, alternating who takes the inconvenient time to share the burden fairly.