Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,985 days
From Thursday, August 12, 1599 to Monday, September 7, 2026.
Monday–Friday weekdays111,417
Weeks and days22,283w 4d
Calendar span427 years, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.