Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
160,521 days
From Thursday, March 12, 1587 to Monday, September 7, 2026.
Monday–Friday weekdays114,657
Weeks and days22,931w 4d
Calendar span439 years, 5 months, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.