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Time zone converter
Convert dates and times down to seconds, with UTC offsets, date changes and daylight-saving overlap choices. No account needed. Inputs are processed in this browser.
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How to use
- 1Search city names or IANA IDs and choose source and destination zones.
- 2Enter date, hours, minutes and seconds. Choose earlier/later for repeated times; nonexistent times show an explanation.
- 3Review UTC and date offsets, then swap zones to reverse the same instant or copy the result.
Good to know
Search city names or IANA time-zone IDs. Daylight saving uses your browser’s time-zone data. Recheck future schedules if local rules change.
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