[End date] - [Start date] Duration Not Show 0 (Zero) For One Day Event

Hi All,

just playing with formula duration to count the duration of the event. Unfortunately its show 0 (zero) duration for one day event.

Following formula date duration [End date] - [Start date] if the event have same start date and end date which is one day event is show 0 (day) duration.

It's possible for this case to count one day event as 1 day duration?

Many thanks