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Date and time calculators

A stopwatch with laps and a PDF, the gap between dates, age, length of service, and weekdays with public holidays left in. The zodiac sign is a reference table of date bounds, with no horoscope.

DatesStopwatch

Start, pause, laps, PDF, and full screen. Easy from a phone.

DatesDays between dates

Calendar days and weekdays, with the endpoints included or not.

DatesAge

Full years, months, and days, and the time until the next birthday.

DatesZodiac sign

The tropical sign, using the usual date boundaries.

DatesWeek number

ISO week number and the week-numbering year.

DatesLeap year

A check by the Gregorian calendar rule.

DatesHow long until the date

Days until a holiday or your own date.

DatesAdd days

The date after a given number of days.

DatesWorking days

Weekdays between two dates, with no holidays.

DatesTenure

Full years, months, and days between two dates.