Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
165,200 days
From Monday, May 20, 1574 to Monday, September 7, 2026.
Monday–Friday weekdays118,000
Weeks and days23,600w 0d
Calendar span452 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.