Date Calculator Add or subtract days, months, or years to or from a specific date.

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

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

Explore our calculator & converter tools for date, time, astronomy, and more. Calculate years, months, or even seconds, or count the days to your deadline.

From and including: Wednesday, January 14, 2026 To, but not including Wednesday, January 14, 2026 Result: 0 days It is 0 days from the start date to the end date, but not including the end date.

Tools Years with Same Calendar as 2026 Customization Forms Customize this calendar–large – advanced form with more choices Customize this calendar – classic, basic form Change your …

World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.

For example, England and the colonies switched over almost 200 years later when an act of Parliament introduced the new calendar, advancing the date from September 2 to September 14, 1752.

The World Clock — Extended List Find current time, weather, sun, moon, and much more...

Countdown to Any Date Countdown to New Year Countdown to Chinese New Year Countdown to Valentine’s Day