Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
154,101 days
From Friday, October 8, 1604 to Monday, September 7, 2026.
Monday–Friday weekdays110,071
Weeks and days22,014w 3d
Calendar span421 years, 10 months, 30 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.