Calcuation on MAN HOURS

@Kal_Lam hi,
i just want man hours input only…so i am using Time question type and it is sufficeint…
BUT
I want to use time question form,but need inputs only in 12 hour format…
How can this be done…

Example:in the snapshot i dont want such a clock to appear… i want Only plain format shud appear in 12hour format

ONLY THIS FORMAT SHUD APPEAR BElow in the image-2