Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
150,136 days
From Monday, August 17, 1615 to Monday, September 7, 2026.
Monday–Friday weekdays107,240
Weeks and days21,448w 0d
Calendar span411 years, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.