Convert time between any two time zones around the world.
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What is a Time Zone Converter?
A time zone converter transforms a specific date and time from one geographic time zone to another. This is essential for scheduling international meetings, planning travel across time zones, coordinating global teams, and understanding when events like live streams or product launches happen in your local time.
This tool uses your browser's built-in Intl.DateTimeFormat API, which automatically handles daylight saving time transitions for all supported time zones.
How to Use
1Enter the date and time you want to convert.
2Select the From time zone (the zone the time is in).
3Select the To time zone (the zone you want to convert to).
4Click Convert Time to see the equivalent time.
Formula
Converted Time = Input Time − From UTC Offset + To UTC Offset
Common UTC Offsets:
UTC-8: PST (Los Angeles)
UTC-5: EST (New York)
UTC+0: GMT/UTC (London, standard)
UTC+1: CET (Paris, Berlin)
UTC+5:30: IST (Mumbai, Delhi)
UTC+8: CST (Beijing, Singapore)
UTC+9: JST (Tokyo)
UTC+10: AEST (Sydney)
Note: DST shifts offsets by +1 hour seasonally.
Frequently Asked Questions
UTC (Coordinated Universal Time) is the global time standard. All other time zones are defined as offsets from UTC. It does not observe daylight saving time.
Yes. The browser's Intl API automatically accounts for DST rules, so the conversion is accurate for the specific date you enter, not just the standard UTC offset.
GMT and UTC are virtually identical for everyday use. UTC is the modern scientific standard used in computing and navigation. GMT is a geographic time zone used in the UK and some other countries during winter.
Use UTC for scheduling international events to avoid confusion with DST. Specify "14:00 UTC" rather than "14:00 EST" so attendees worldwide can convert accurately without worrying about seasonal time changes.