Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
177,692 days
From Friday, March 8, 1540 to Tuesday, September 8, 2026.
Monday–Friday weekdays126,922
Weeks and days25,384w 4d
Calendar span486 years, 6 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.