The days could be calculated like this but how to get the expression:
if time2>time1, (daysafter( date1, date2 )) + abs(secondsafter(time1, time2)/86400)
if time2<time1, ((daysafter( date1, date2 )) + abs(secondsafter(time1, time2)/86400))-1
I tried but got the error messages...
Thanks!