Time Zone Converter

Convert any date and time across world time zones instantly. Plan international meetings, flights and calls without the mental math.

Date & time
From time zone

Uses your device’s up-to-date time zone database, including daylight saving rules.

How to use the time zone converter

Pick the date and time and the source time zone.
Click Convert to see the same moment in major world cities.

Why not just add hours?

Daylight saving time changes offsets through the year — New York is UTC−5 in winter but UTC−4 in summer. This converter uses the official IANA time zone database, so DST transitions are handled automatically.

Frequently asked questions

What is UTC? Coordinated Universal Time — the global reference; all zones are defined as offsets from it.
Does it handle daylight saving? Yes — conversions use current DST rules for the chosen date.
Which zones are shown? UTC plus major business hubs across the Americas, Europe, Africa, Asia and Australia.