Comment on dit 12h23 ? Et 10h15 et 12h48 ? Svp en anglais

12h23 : twenty-tree past twelve
10h15 : a quarter past ten
12h48 : twelve to twelve

12h23 - il ya 2 réponses 
            It is 23 minutes past 12 o clock ou It is twelve twenty three 12:23

10h15 - It is 15 minutes past 10 o clock ou It is ten fifteen  , 10:15

12h48-  It is 48 minutes past 12 ou It is 12:48, it is twelve forty eight