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About the Time Zone Calculator
This Time Zone Calculator converts a date and time from one location's time zone into the equivalent time in another zone. It also shows the hour difference between the two zones. You enter any moment and get the matching local time anywhere in the world.
The calculator converts your input time to UTC and then applies the destination zone's UTC offset, following the IANA time zone database rules. It adjusts for daylight saving time automatically where it applies. You provide a date, a time, and two locations. Plan meetings across zones early in the day, and double-check dates near daylight saving switches, since rules vary by country.
- Enter the source date and time.
- Select the origin and destination time zones.
- Read the converted time and the difference in hours.