Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
145,208 days
From Monday, February 12, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,720
Weeks and days20,744w 0d
Calendar span397 years, 6 months, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.