Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
152,478 days
From Friday, March 20, 1609 to Tuesday, September 8, 2026.
Monday–Friday weekdays108,912
Weeks and days21,782w 4d
Calendar span417 years, 5 months, 19 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.