Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
169,855 days
From Monday, August 21, 1561 to Monday, September 7, 2026.
Monday–Friday weekdays121,325
Weeks and days24,265w 0d
Calendar span465 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.