Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
151,015 days
From Thursday, March 21, 1613 to Monday, September 7, 2026.
Monday–Friday weekdays107,867
Weeks and days21,573w 4d
Calendar span413 years, 5 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.