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Date Calculator Add or subtract days, months, or years to or from a specific date.
Date Calculator: Add to or Subtract From a Date
The Date Calculator adds or subtracts days, weeks, months and years from a given date.
Date Duration Calculator: Days Between Dates
Date Calculator API Find a specific business date and calculate the working days in a given period.
Calculators & Converters Overview - timeanddate.com
Explore our calculator & converter tools for date, time, astronomy, and more. Calculate years, months, or even seconds, or count the days to your deadline.
The World Clock — Worldwide - timeanddate.com
World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.
Calendar 2025 - timeanddate.com
Calendars – online and print friendly – for any year and month and including public holidays and observances for countries worldwide.
Time Duration Calculator: Time between two dates/times
Date Calculator – Add or subtract days, months, years Birthday Calculator – Find when you are 1 billion seconds old Related Links Calendar & Holidays Overview – Explore calendar tools Calendar …
Calculate Duration Between Two Dates – Results
Time and Date Duration – Calculate duration, with both date and time included Date Calculator – Add or subtract days, months, years Birthday Calculator – Find when you are 1 billion seconds old Related …
Business Days Calculator – Count Workdays
Date Calculator API Find a specific business date and calculate the working days in a given period.
Business Date Calculator: Add/Subtract Workdays, Holidays or Weekends
Add or subtract any number of days to/from a date, taking into account public holidays in your country and weekends.