All your date and time calculations in one place
Calculate age or interval between two dates with precise results in years, months, weeks, days, hours, minutes, and seconds.
Find the number of days between two dates or add/subtract days from a date.
Add or subtract time (hours, minutes, seconds) from a starting time.
Calculate the number of hours and minutes between two times.
Calculate weekly work hours and overtime pay.
Convert time between different time zones around the world.
Calculate the duration between two dates and times.
Count the number of days between two dates, including working days and weekends.
Find out what day of the week any date falls on.