Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,708 days
From Monday, May 15, 1600 to Monday, September 7, 2026.
Monday–Friday weekdays111,220
Weeks and days22,244w 0d
Calendar span426 years, 3 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.