Global Time • Weather • Time Zones
Time around
the world
Live time, time zones, and holiday data for popular destinations. Pick a city to convert its time instantly.
Check any city
Search a city or timezone to open it in the converter.
Time around the world
Live local time for four popular destinations.
All Date & Time Tools
Calculate, convert, and solve everyday date and time problems.
Dates
- Age Calculator Find your exact age in years, months, and days.
- Date Difference Calculate days, weeks, and months between two dates.
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Add Days to Date Add any number of days to a given date. Soon
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Subtract Days Subtract days from a date. Soon
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Business Days Calculator Count working days between two dates. Soon
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Week Number Calculator Find the ISO week number for any date. Soon
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Fiscal Quarter Calculator Find the current fiscal quarter for any fiscal year start. Soon
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Date Range Calculator List every date between two dates, with filters. Soon
Time Zones
- Time Zone Converter Convert a time from one timezone to another.
- Holiday Calendar Public holidays, long weekends, and bridge days for any country.
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Time Zone Difference See how many hours ahead or behind any two time zones are. Soon
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World Clock See current time across multiple cities. Soon
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Festival Calendar All festivals from every religion in one filterable calendar. Soon
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Sunrise & Sunset Sunrise, sunset, and twilight times for any city. Soon
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Lunar Phase Calculator Moon phase, moonrise/set, and live compass position. Soon
Timers
- Unix Timestamp Converter Convert between Unix timestamps and human dates.
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Countdown Timer Count down to a specific date or duration. Soon
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Stopwatch Start, pause, and reset a stopwatch. Soon
About this toolkit
Date & Time Toolkit is a small, independent set of calculators for dates, time zones, holidays, and the sky. Calculations run on the server against the IANA time zone database, so daylight-saving transitions, historical offsets, and leap years are handled correctly.
Learn more about who builds this toolkit →