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

260,906 days

From Saturday, May 14, 1312 to Monday, September 14, 2026.

Monday–Friday weekdays186,361
Weeks and days37,272w 2d
Calendar span714 years, 4 months

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