Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,115 days
From Thursday, May 21, 1514 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,653
Weeks and days26,730w 5d
Calendar span512 years, 3 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.