Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
162,426 days
From Wednesday, December 23, 1581 to Monday, September 7, 2026.
Monday–Friday weekdays116,018
Weeks and days23,203w 5d
Calendar span444 years, 8 months, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.