Time Zone Converter
Convert a date and time between any two time zones, with correct daylight saving and UTC offsets.
How to use it
- Enter the date and time The local time in the source zone.
- Choose the zones Convert from one time zone to another.
- Read the result See the converted time and both UTC offsets.
Examples
| NY noon → Tokyo | 2:00 next day |
|---|---|
| offsets | UTC-5 / UTC+9 |
About this tool
Coordinating across time zones is error-prone, especially when daylight saving shifts the clocks. This converter takes a date and time in one zone and tells you the exact equivalent in another, flagging when it lands on the previous or next day.
It uses your browser’s own time-zone database, so daylight saving is handled correctly for the specific date you pick, and it shows both UTC offsets so there’s no ambiguity. Everything runs locally in your browser — no network needed.
Frequently asked questions
Does it handle daylight saving time?
Yes. Conversions use your browser's time-zone data, so daylight saving is applied automatically for the exact date you enter.
Which time zones are supported?
Every IANA time zone your browser knows about — hundreds of cities and regions worldwide.
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Updated June 13, 2026