Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,305 days
From Friday, August 21, 1620 to Monday, September 7, 2026.
Monday–Friday weekdays105,931
Weeks and days21,186w 3d
Calendar span406 years, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.