Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,360 days
From Thursday, September 18, 1513 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,828
Weeks and days26,765w 5d
Calendar span512 years, 11 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.