Try:
TimeStop:[TimeStart]+[Minutes]/1440
or
TimeStop:DateAdd("n",[Minutes],[TimeStart])

Signature
Duane Hookom
Microsoft Access MVP
> Hi there !
> In a query I have the time the activity started [TimeStart] and the duration
[quoted text clipped - 5 lines]
> Many thanks,
> Céline
Céline Brien - 30 Sep 2009 16:35 GMT
Hi Duane,
Thank you so much for your answer.
It is working perfectly !
Many thanks again,
Céline
> Try:
> TimeStop:[TimeStart]+[Minutes]/1440
[quoted text clipped - 11 lines]
>> Many thanks,
>> Céline