Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
150,944 days
From Thursday, December 15, 2439 to Monday, September 7, 2026.
Monday–Friday weekdays107,818
Weeks and days21,563w 3d
Calendar span413 years, 3 months, 8 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.