Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
180,695 days
From Friday, December 18, 1531 to Tuesday, September 8, 2026.
Monday–Friday weekdays129,067
Weeks and days25,813w 4d
Calendar span494 years, 8 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.