Time Zone Converter

Convert a clock time between named time zones with its correct daylight-saving offset.

Processed on your device

How to use this tool

Enter the source date/time and its time zone.
Choose the destination zone; the result represents the same instant.

Things to know

Use ISO dates (YYYY-MM-DD) and 24-hour times. Time zone rules come from your browser. Nonexistent daylight-saving clock times are rejected.
Timestamp text: 120 characters with safe whole-millisecond precision. ISO date parsing is explicit; destination dates must fit years 0001-9999. Time zones: 128 characters.
Use no more than 200,000 characters across the input and settings.
One explicit ISO date/time and two time zones of at most 128 characters. DST gaps are rejected and repeated clock times require an offset choice.
Use no more than 200,000 characters across the input and settings.

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