Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
152,541 days
From Thursday, January 15, 1609 to Monday, September 7, 2026.
Monday–Friday weekdays108,957
Weeks and days21,791w 4d
Calendar span417 years, 7 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.