Convert a specific date and time from one time zone to another, useful for scheduling calls and meetings across regions.
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This tool interprets your entered date and time as local time in the 'From' time zone, then calculates the equivalent moment in the 'To' time zone, automatically accounting for each region's current UTC offset, including daylight saving time where applicable.
Time zone offsets aren't fixed year-round in many regions due to daylight saving time, and some countries change DST rules on different dates than others, which is why a simple fixed-hour-difference calculation can be wrong depending on the time of year.
Converting 2:30 PM on July 20, 2026 in New York (America/New_York, on Eastern Daylight Time, UTC−4 in July) to Kolkata (Asia/Kolkata, UTC+5:30) gives 12:00 AM on Tuesday, July 21, the 9.5-hour offset between the two zones pushes the converted time past midnight into the next calendar day.
Not accounting for the converted time landing on a different calendar day, as the worked example shows, a large time zone offset can easily push a conversion past midnight, always check the converted date, not just the time.
Assuming a time zone's UTC offset is fixed year-round, regions observing daylight saving time shift their offset twice a year, so the same clock time converts differently in January than in July.
Converting using a fixed 'X hours ahead/behind' rule of thumb memorized for a specific pair of cities, since DST start and end dates can differ between countries (or not exist at all in some), a memorized offset can be wrong for part of the year.
Yes, this tool uses your browser's built-in time zone data, which automatically accounts for daylight saving time rules for the specific date you enter.
Enter the date and time in the format YYYY-MM-DDTHH:MM, for example 2026-07-20T14:30 for July 20, 2026 at 2:30 PM.
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