Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
142,101 days
From Tuesday, September 29, 2415 to Monday, September 7, 2026.
Monday–Friday weekdays101,501
Weeks and days20,300w 1d
Calendar span389 years, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.