Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
165,266 days
From Friday, March 15, 1574 to Monday, September 7, 2026.
Monday–Friday weekdays118,046
Weeks and days23,609w 3d
Calendar span452 years, 5 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.