Time Zone Converter
Convert times between cities + time zones worldwide. Plan international calls, schedule flights, coordinate meetings across continents.
Convert Times
Converted Time
Common Time Zone Differences for US Travelers
- NYC → London: +5 hours (London is ahead). 9am NYC = 2pm London.
- NYC → Paris: +6 hours.
- NYC → Tokyo: +13-14 hours (varies by DST). 9am NYC = 10-11pm Tokyo.
- NYC → Bangkok: +11-12 hours.
- NYC → Sydney: +14-16 hours.
- LA → London: +8 hours.
- LA → Tokyo: +16-17 hours.
- Tokyo → Sydney: +1-2 hours.
- London → Dubai: +3-4 hours.
FAQ
How many time zones are there?
39 time zones globally (including unusual half-hour offsets in India, Iran, parts of Australia). Most countries use one of the standard 24 hourly time zones based on UTC.
What’s the largest time difference in the world?
26 hours between Kiribati (UTC+14) and American Samoa (UTC-11). Practically: NYC to Tokyo is 13-14 hours; NYC to Sydney is 14-16 hours depending on daylight saving.
Does daylight saving time affect travel?
Yes – check daylight saving dates for your destination. USA: 2nd Sunday March to 1st Sunday November. EU: last Sunday March to last Sunday October. Most of Asia + Africa don’t observe daylight saving.
How do I avoid time zone confusion when booking flights?
Always use the airline’s local time (departure airport’s time for departures, arrival airport’s time for arrivals). Set phone to auto-adjust on landing. Tell hotel + tour operators what time zone you mean when scheduling.
Is jet lag worse going east or west?
Eastward travel is harder (shortens your day, asks body to sleep earlier than usual). Westward is easier (lengthens day). NYC to London = harder than London to NYC.