Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

256,291 days

From Sunday, December 31, 1324 to Sunday, September 13, 2026.

Monday–Friday weekdays183,065
Weeks and days36,613w 0d
Calendar span701 years, 8 months, 13 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.