Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
149,769 days
From Thursday, August 18, 1616 to Monday, September 7, 2026.
Monday–Friday weekdays106,977
Weeks and days21,395w 4d
Calendar span410 years, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.