Date and time tools
Compare time zones, count the days between two dates, add or subtract durations and find week numbers. Date arithmetic is easy to get wrong by hand, especially across time zones and daylight-saving changes.
4 tools
- Age CalculatorFind an exact age in years, months and days from a birth date, with the total days lived and the date of the next birthday.
- Date Difference CalculatorFind the time between two dates in years, months, days and weeks, with the total days and the number of weekdays, and an option to count the end date.
- Time Zone ConverterConvert a date and time from one time zone to several others, with daylight saving time handled by your browser's IANA zone data.
- Unix Timestamp ConverterTurn a Unix timestamp in seconds or milliseconds into a UTC, local and ISO 8601 date, or a date and time into a Unix timestamp.