What date is 21 days before today?

Find out which date was 21 days before now. When was today minus 21 days. The calculator adds or subtracts days, weeks, months and years from now.

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Today is October 4, 2024.

21 days before today was:

Friday, September 13, 2024

14th day of of autumn, 257th day of the year.
Leap year. 109 days until the end of the year.

Born at the year of 🐲 Dragon according to Chinese Zodiac calendar, and under ♍ Virgo sign according to Western Zodiac calendar.

Friday, September 13, 2024 as Unix timestamp: 1726191095

Which Date Is

21 days in other units of measurement is

  • 1,814,400 seconds
  • 21 minutes
  • 21 hours
  • 3 weeks

How to subtract 21 days from a date in Excel or Google Sheets?

This is a super easy thing to do in Excel. Click on a free cell and create a new formula. First select a reference to a cell with date or use TODAY() function for current date. Then add {{number}} days as a plain number. Make sure that target cell format is set to "Date".

=TODAY() - 21

Replace TODAY() with a cell reference (for example: A1) to manipulate dates other than today's date.

If you want learn more about using Excel or Google Sheets formulas to add or subtract days, weeks, months or years from a date click here. You can also download a free Microsoft Excel sample spreadsheet with examples.

What date is 21 days before today? — Dates Calculator
What date is 21 days before today? — Dates Calculator

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Alex Fedorov
Created by Alex Fedorov
Last updated : July 26, 2024