Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
260,677 days
From Thursday, December 29, 1312 to Monday, September 14, 2026.
Monday–Friday weekdays186,197
Weeks and days37,239w 4d
Calendar span713 years, 8 months, 16 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.