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

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

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

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

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

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

Calendars – online and print friendly – for any year and month and including public holidays and observances for countries worldwide.

Overview of holidays and many observances in the United States during the year 2026

From and including: Sunday, January 11, 2026 To, but not including Sunday, January 11, 2026 Result: 0 days It is 0 days from the start date to the end date, but not including the end date.

India time now. India time zone and map with current time in the largest cities.