Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,390 days
From Thursday, March 29, 1601 to Monday, September 7, 2026.
Monday–Friday weekdays110,992
Weeks and days22,198w 4d
Calendar span425 years, 5 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.