Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
156,143 days
From Sunday, March 7, 1599 to Monday, September 7, 2026.
Monday–Friday weekdays111,531
Weeks and days22,306w 1d
Calendar span427 years, 6 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.