Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,387 days
From Thursday, May 18, 1516 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,133
Weeks and days26,626w 5d
Calendar span510 years, 3 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.