Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
100,190 days
From Saturday, December 29, 2300 to Sunday, September 6, 2026.
Monday–Friday weekdays71,565
Weeks and days14,312w 6d
Calendar span274 years, 3 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.