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Time zone converter

What time it is in another city, daylight saving time included, for any date.

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Time there 2:00 PM

How it works

there = here − offset here + offset there

Every time zone is a fixed offset from UTC (Coordinated Universal Time) that can change twice a year for daylight saving time, on different dates in different countries. The time is first turned into UTC using the offset where you are, then into the other city’s time using its offset on that date. That’s why the date matters: New York and London are 5 hours apart most of the year, but only 4 for a few weeks in March and autumn.

  1. Find each city’s offset from UTC on that date New York: UTC−5 · London: UTC
  2. Shift the time by the difference 9:00 AM + (5 h) = 2:00 PM

Printed from rocketcalc.io/dates/time-zone