21 Days Ago Calculator

Calculate the date 21 days before a given date.
days

21 days ago
September 12, 2025
End
Friday, September 12, 2025
Start
Friday, October 3, 2025
Days ago
21 days
Weekends
Included

Start date

SuMoTuWeThFrSa

End date

SuMoTuWeThFrSa

What date was 21 days before today?

21 days before today is Friday, October 3, 2025.

21 days before nearby days

Need some flexibility? Here's a helpful overview of dates 21 days before, starting from the days before and after your chosen date:

Starting dateDate 21 days earlier
Sunday, September 28, 2025Sunday, September 7, 2025
Monday, September 29, 2025Monday, September 8, 2025
Tuesday, September 30, 2025Tuesday, September 9, 2025
Wednesday, October 1, 2025Wednesday, September 10, 2025
Thursday, October 2, 2025Thursday, September 11, 2025
Friday, October 3, 2025Friday, September 12, 2025
Saturday, October 4, 2025Saturday, September 13, 2025
Sunday, October 5, 2025Sunday, September 14, 2025
Monday, October 6, 2025Monday, September 15, 2025
Tuesday, October 7, 2025Tuesday, September 16, 2025
Wednesday, October 8, 2025Wednesday, September 17, 2025