Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
56,877 days
From Thursday, December 15, 1870 to Saturday, September 5, 2026.
Monday–Friday weekdays40,626
Weeks and days8,125w 2d
Calendar span155 years, 8 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.