Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
67,818 days
From Thursday, December 31, 1840 to Saturday, September 5, 2026.
Monday–Friday weekdays48,441
Weeks and days9,688w 2d
Calendar span185 years, 8 months, 5 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.