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.

The end date comes before the start date

282 days

From Saturday, June 12, 2027 to Thursday, September 3, 2026.

Monday–Friday weekdays201
Weeks and days40w 2d
Calendar span9 months, 9 days

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