>In timer.timer event, I am using
>
>Time1 = time()
>thisform.text3.refresh, where text3.value = time1
>
>
>So I can get the updated time in my form every second
>
>Is it possible obtain a timer counter, starting from 0:00
>in my text3, instead of the real time ?

Yes, just check the link I sent you yesterday.

dt1 = datetime(year(),month(),day(),0,0,0)
dt2 = datetime()

etc.