Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
145,029 days
From Friday, August 10, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,591
Weeks and days20,718w 3d
Calendar span397 years, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.