Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
149,923 days
From Thursday, March 17, 1616 to Monday, September 7, 2026.
Monday–Friday weekdays107,087
Weeks and days21,417w 4d
Calendar span410 years, 5 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.