Time Zone Converter

Time zone offsets aren't fixed — they shift with daylight saving time, and different countries switch on different dates. This looks up the real offset for both zones on the exact date you picked, so a conversion in July can differ from the same conversion in January even for the same two cities.

That's also why scheduling a recurring meeting across zones can drift by an hour part of the year — always double-check the date you actually care about rather than assuming today's offset holds year-round.