Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
149,911 days
From Tuesday, March 29, 1616 to Monday, September 7, 2026.
Monday–Friday weekdays107,079
Weeks and days21,415w 6d
Calendar span410 years, 5 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.