Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
164,257 days
From Saturday, December 18, 1576 to Monday, September 7, 2026.
Monday–Friday weekdays117,326
Weeks and days23,465w 2d
Calendar span449 years, 8 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.