Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
162,066 days
From Saturday, December 18, 1582 to Monday, September 7, 2026.
Monday–Friday weekdays115,761
Weeks and days23,152w 2d
Calendar span443 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.