Time Zone Converter

Convert a date and time from one world region to another.

Reviewed: 2026-07-21

Date and time in the source zoneThe value is interpreted in the source zone selected below.

Source time zoneTarget time zone

Results use the browser's IANA time zone data. For critical events, include the time zone name in the invitation and verify it.

Method and assumptions

Interpret the entered wall-clock time in the source region, then show the same instant in the selected destination region. The browser's IANA time zone data is used to account for daylight saving time and date changes on that day. Entries stay in the browser, but critical meetings and flights should also be checked against current official information and the named time zone.

How to use it

Enter the calendar date and local time in the source region.
Select source and destination zones by their IANA region names.
Review the converted date, time, zone abbreviation, and daylight saving status.

When it helps

Scheduling a video call with an international team
Checking the local arrival time for a trip
Reviewing an event near a daylight saving transition

How to verify the result

Check input units and reference dates first. For an important decision, compare the result with an official source or original document. A rounded display can differ slightly from the underlying value.

Official references

IANA Time Zone Database

Frequently asked questions

Does the converter handle daylight saving time automatically?

Yes. It applies the browser's IANA rules for the selected region and calendar date.

Why use a named zone instead of only a UTC offset?

A fixed offset cannot describe seasonal changes. An IANA region name can apply standard time and daylight saving rules according to the date.

Could a historical or future result differ from an official schedule?

Yes. Governments can change time zone rules before browser data is updated. Verify important events with a current official source.

Time Zone Converter