Time Zone Converter

Convert a date and time between IANA time zones with daylight-saving rules handled by your browser. Free to use online with no sign-up.

Choose the source and destination time zones, enter a local date and time, and see the equivalent time in the destination zone.

Formula

The selected wall-clock time is mapped to UTC using the source IANA time zone, then formatted in the destination IANA time zone.

Example

Convert a meeting time in Asia/Dubai to Europe/London or America/New_York.

Frequently asked questions

Does it account for daylight saving time?: Yes, when your browser provides the relevant IANA time-zone rules for the selected date.
Which time zones are available?: Modern browsers provide the full supported IANA time-zone list. A smaller fallback list is used only on older browsers.