The Duration Calculator calculates the number of days, months and years between two dates.

Days Calculator: Days Between Two Dates How many days, months, and years are there between two dates?

Time Calculator: Duration Between Two Times and Dates How many years, months, days, hours, minutes, and seconds are there between two moments in time?

The Date Calculator adds or subtracts days, weeks, months and years from a given date.

Create a Countdown Timer that counts down in seconds, minutes, hours and days to any date, with time zone support. It also counts up from a past date.

Add or subtract any number of days to/from a date, taking into account public holidays in your country and weekends.

Business Days Calculator counts the number of days between two dates, with the option of excluding weekends and public holidays.

Weekday Calculator: What Day Is It? What day of the week was I born? Enter any date to find out the weekday and other fun facts.

Results of date calculator - which will allow you to add or subtract days, hours and minutes from a date.

Date Calculator API Find a specific business date and calculate the working days in a given period.