Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
164,748 days
From Friday, August 15, 1575 to Monday, September 7, 2026.
Monday–Friday weekdays117,676
Weeks and days23,535w 3d
Calendar span451 years, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.