Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
152,999 days
From Monday, October 15, 1607 to Monday, September 7, 2026.
Monday–Friday weekdays109,285
Weeks and days21,857w 0d
Calendar span418 years, 10 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.