Date & Time Tools
Date formatting, arithmetic, timezones, ages and ISO week numbers.
Date Format ConverterRender any date in ISO, RFC, locale and custom formats.Days Between DatesCount days (and weeks/months) between two calendar dates.Date Add / Subtract CalculatorAdd or subtract days, weeks, months from a date.Timezone ConverterCompare times across world timezones instantly.Leap Year CheckerCheck whether a year is a leap year and why.Age CalculatorExact age in years, months, days, hours and total days.ISO Week Number CalculatorFind the ISO-8601 week and weekday of any date.Get TimeGenerates a timestamp showing the amount of time since the UNIX epoch (1970-01-01 00:00:00 UTC). Uses the W3C High Resolution Time API.Parse DateTimeParses a DateTime string in your specified format and displays it in whichever timezone you choose with the following information: Date Time Period (AM/PM) Timezone UTC offset Daylight Saving Time Leap year Days in this month Day of year WeTarPacks the input into a tarball. No support for multiple files at this time.