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Convert a date and time between any time zones, with daylight saving time handled automatically, plus flight arrival times in local time.
Also covers: Time zone conversion · Flight time zone converter
The current time by default.
Flight arrival
Converted times
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Your own time zone and the current time are filled in. Change either one: pick any city's zone and type the date and time there.
The time appears in each one, with its abbreviation, UTC offset, and a +1 day or -1 day marker when the date differs. Copy all of them at once for an email or invite.
Enter the flight duration and destination to get the landing time in local time at the destination.
Yes. Conversions use your browser's time zone database (IANA), which has every zone's current and historical daylight saving rules, so a date in summer and one in winter can give different offsets.
When clocks jump forward, a range of times is skipped (like 02:30 on that night in New York), and the converter shows the time just after the jump. When clocks go back, an hour repeats, and the first occurrence is used. A note tells you when either happens.
Several countries use offsets that aren't whole hours, like India (UTC+05:30), Nepal (UTC+05:45), and parts of Australia (UTC+09:30). The converter handles them exactly.
No. Everything is calculated in your browser, and nothing you enter is sent to a server or stored.
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Duration
Count the days between two dates, and see the difference in years, months, weeks, weekdays, hours, and minutes.
Date maths
Add or subtract days, weeks, months, and years from a date to find a deadline, due date, or anniversary.
Work days
Count working days between two dates, or add working days to a date, skipping weekends and US or UK public holidays.
Weekday
Find the day of the week for any date, past or future, plus its day of the year, ISO week, and quarter.
ISO week
Find the ISO 8601 week number for any date, with the week's Monday-to-Sunday dates, the US week number, and every week of the year.