Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
154,825 days
From Tuesday, October 15, 1602 to Monday, September 7, 2026.
Monday–Friday weekdays110,589
Weeks and days22,117w 6d
Calendar span423 years, 10 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.