Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
257 days
From Saturday, December 20, 2025 to Thursday, September 3, 2026.
Monday–Friday weekdays184
Weeks and days36w 5d
Calendar span8 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.