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  1. Date Duration Calculator: Days Between Dates

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

  2. Calculate Duration Between Two Dates – Results

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

  3. Time Duration Calculator: Time between two dates/times

    The Time Duration Calculator will calculate the time that has elapsed/difference between two dates with time.

  4. Date Calculator: Add to or Subtract From a Date

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

  5. FAQ: Date Duration Calculator: Days Between 2 Dates

    Date to Date Calculator: Count days, weeks, months, and years between 2 dates. Business Days Calculator: Count working days or non-working days between 2 dates.

  6. Time Zone Duration Calculator - timeanddate.com

    This calculator is helpful for any time-related task that crosses time zone boundaries. For example, if a project is due next Tuesday at 12:00 UTC —how far off is the deadline in your …

  7. Date Calculator API: Documentation

    Get Started with the Date Calculator API Calculate the number of business days (working days) between two dates, or find a future business date – with a few lines of code in your language …

  8. FAQ: Date Calculator

    Date to Date Calculator: Count days, weeks, months, and years between 2 dates. Business Days Calculator: Count working days or non-working days between 2 dates.

  9. FAQ: Time Duration Calculator

    Date to Date Calculator: Count days, weeks, months, and years between 2 dates. Business Days Calculator: Count working days or non-working days between 2 dates.

  10. Business Days Calculator API - timeanddate.com

    Use timeanddate.com's Date Calculator API to calculate dates or time spans, accounting for working days and days off (weekends & holidays in 230 countries).