Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
149,924 days
From Wednesday, March 16, 1616 to Monday, September 7, 2026.
Monday–Friday weekdays107,088
Weeks and days21,417w 5d
Calendar span410 years, 5 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.