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

258,412 days

From Sunday, March 12, 1319 to Sunday, September 13, 2026.

Monday–Friday weekdays184,580
Weeks and days36,916w 0d
Calendar span707 years, 6 months, 1 day

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