Timezone Converter
Enter a wall-clock date and time in one zone to see the same instant in another, plus how the offsets compare.
Enter a date, time, source time zone, and target time zone.
How it works
The date and time you enter are treated as local civil time in the source zone—not UTC. The tool finds the UTC instant with the Intl API, then formats it in the target zone.
Offset difference is how far the target zone is ahead of or behind the source zone at that moment (accounting for daylight saving when applicable). Only common IANA zones from the lists are supported; no external libraries are used.
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