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Coordinating a meeting or deadline across time zones is error-prone by hand, especially once daylight saving time is involved — this tool handles the conversion correctly every time.
This calculator converts a date and time from one named time zone to another.
How it works
Enter a date and time, then choose the source and target time zones from the list. The tool anchors your date and time to a single, unambiguous moment using the source time zone's offset and daylight-saving rules, then re-expresses that same moment using the target time zone's rules.
- Enter date and time.
- Enter from time zone.
- Enter to time zone.
- Click Calculate to see your results.
Examples
UTC to US Eastern in summer
2026-07-15 14:30 UTC converts to 2026-07-15 10:30 in America/New_York, a 4-hour difference during Eastern Daylight Time.
Who should use it
- Scheduling a meeting or call across multiple time zones.
- Converting a server log timestamp to a local time for reporting.
Industry applications
- Remote team coordination and scheduling
- Software development and log analysis
Advantages
- Automatically handles daylight saving time using each zone's real rules.
- Covers major time zones across every continent.
Limitations
- Limited to the list of time zones offered, rather than every possible named zone.
Common mistakes to avoid
- Using a fixed UTC offset instead of a named time zone, which silently gives the wrong answer once daylight saving time shifts.
- Forgetting that the converted time might fall on a different calendar date than the original.
Best practices
- Always use named time zones (like Europe/London) rather than fixed offsets when scheduling anything that needs to stay correct across daylight saving time changes.
Tips
- When scheduling a recurring meeting across time zones, double check it near daylight saving transition dates (typically March and November in the US/Europe) since the time difference between zones can shift by an hour.