Timezone Converter
Pick a date, time, and source timezone to see the equivalent local time in cities around the world, all at once, with real daylight saving time rules applied.
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Frequently asked questions
Does this account for daylight saving time?+
Yes, conversions use your browser's built-in timezone database via the Internationalization API, which applies the correct daylight saving rules for the date you choose.
Which timezones are included?+
A curated list of major cities covering every UTC offset. If your exact city isn't listed, pick the nearest major city in the same timezone.
Can I convert a time in the past or future?+
Yes, pick any date; historical and future daylight saving rules are applied based on that date, not today's date.