Date Reference

Find the distance between two dates, in days, weeks, months and years.

Move forward or backward from a date by a calendar duration.

Add or subtract working days, excluding chosen holidays, or move a deadline to a working day.

Count Monday–Friday days in a date range, with weekends shown separately.

Calculate a precise calendar age on any date.

Find long breaks around public holidays with fewer days to request off. Build a year plan for your country and workweek.

Explore public holidays, week numbers and moon phases. Select dates to measure a duration.

Create a free printable calendar with holidays, personal events and your choice of layout.

Find the hours, minutes and seconds between two clock times.

Convert between seconds, minutes, hours, days and weeks.

Turn a Unix timestamp into a readable date and time.

Find shared working hours and the best meeting times for participants in different time zones.

Find how many hours a city is ahead or behind you. Search cities or choose time zones.

Compare live local times, dates and UTC offsets across time zones.

Find a percentage, a share of a total, or the change between two values.

Calculate bond coupon accrual or simple loan interest between dates. Compare Actual/365, Actual/360 and 30/360 day counts.

Adjust payment dates or create a coupon payment calendar with holiday rules, business-day conventions and schedule exports.