Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
36,627 days
From Monday, December 16, 2126 to Friday, September 4, 2026.
Monday–Friday weekdays26,161
Weeks and days5,232w 3d
Calendar span100 years, 3 months, 12 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.