To get 12 hrs instead of 24 hrs you leave the minutes the same but takeaway 12 from the hrs. e.g 16:45 = (16-12=4)= 4:45
150mg 12 hrs 300mg 24 hrs
For medications it is 24 hours
its 2:00 it only changes pm times. to get those, just add 12 to whatever time it is on the 12 hour clock
1500
12 hrs sleep 12 hrs day time
1200 hrs. There is no such corresponding time for midnight. Reason midnight could be either '0000' or '2400'. , but which day does it refer. So midnight on the 24 hour clock does not occur. You have either 2359 hrs (on a given day) or 0001 hrs. ( the next day), that is 2 minutes later. .
00.00 hrs
with 24 hrs
Probably because people will get confused if they tried to use military time (which is based on the 24 hours clock. 2000 hrs is 8pm, 12+8=20).
24 hours
24 hrs. full 7 hrs. part time job
12 to 24 hrs