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Date Calculator


Differ Days
Add/Subtract Duration
Date Calculator-summary

Date calculator is used to calculate the number of days, months and years between two dates online. It also supports subtracting or adding specific days, months and years to a date to get a new date.

Date Calculator-instructions
  1. Calculate the number of days between two dates. The difference days are displayed in two forms: days and days of year x, month y and day Z. If the start date is after the end date, the exchange calculation will be carried out automatically.
  2. Date add or subtract a specific duration, which can be expressed as x year, y month and z day. Where x, y and z are all integers greater than or equal to 0 and less than or equal to 999. Click calculate to get the result date. This function can be used to calculate the date after or before a specific date.