Count days between dates

Pick a start and end date to see days and weeks between them. You can include both ends (count the start day).
Start date
Year
Month
Day
End date
Year
Month
Day
Results
Period
30 August 2026 〜 29 September 2026
Days
30days
Weeks and days
4weeks 2days

How days are counted

By default this is elapsed days (end − start). Including the start day matches schedules that count both ends.

Frequently asked questions

What if the end is before the start?

We swap the order and show a positive number of days.