Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
40,039 days
From Saturday, January 20, 1917 to Friday, September 4, 2026.
Monday–Friday weekdays28,600
Weeks and days5,719w 6d
Calendar span109 years, 7 months, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.