Time Zone Converter

Compare a date and time across multiple cities, daylight-saving aware.

Interactive calculator loads when JavaScript is enabled. All calculations stay on your device.

Usage

  • Schedule a call across several offices in one view.
  • Check what local time a flight arrival or webinar lands in.
  • Plan travel days when flying between distant cities.
  • Compare “now-equivalent” meeting slots for a remote team.
  • Confirm festival or deadline times in another city’s clock.

Knowledge

A time zone defines how civil clock time relates to Coordinated Universal Time (UTC). Many regions shift clocks for daylight saving; IANA zone IDs (like America/New_York) encode those rules.

This tool lists countries first. Single-zone countries convert as-is; multi-zone countries (such as the US or Australia) offer cities under that country. Each place maps to an IANA zone so the same instant is shown correctly — including the local date when conversion crosses midnight.

FAQs

How does the time zone converter work?

Pick a source country (or a city in multi-zone countries), enter a date and time there, then add one or more destinations. Each row shows the matching local date and time, including daylight-saving rules for that zone.

Why countries and cities?

Most countries use one time zone — pick the country. Where a country spans several zones (for example the United States or Australia), choose a city under that country. Each place maps to an IANA zone so daylight saving is applied correctly.

Can I compare several places at once?

Yes. Use Add location to append destinations, and remove a row with the trash control. Results list every destination’s local time for the same moment.

Does daylight saving time matter?

Yes. Conversions use the browser’s IANA database for the selected date, so spring/autumn shifts are reflected for zones that observe DST.

Is my data stored or sent anywhere?

No. Everything runs in your browser. Nothing you type is uploaded or saved on a server.