Date & time
Pick a tool. Each one answers as you type and shows how the result was worked out.
Age calculatorYour exact age on any date, with a countdown to your next birthday.Days between datesHow many days, weeks and months lie between two dates.Add or subtract daysFind the date a set number of days, weeks, months or years from another.Business days calculatorCount working days between dates, or add working days to a date.Day of the week calculatorThe weekday of any date, past or future.Time duration calculatorHours and minutes between two times, including overnight shifts.Hours to decimal calculatorConvert between hours and minutes and decimal hours for timesheets.Time calculatorAdd or subtract durations in hours, minutes and seconds.Unix timestamp converterConvert epoch timestamps to UTC dates, and dates to timestamps.