One hour, 15 minutes
1 hour and 15 minutes.
2 1/3
2 hours and 45 minutes.
12:45 pm
2300 INST
Two hours elapsed time.
1 hour, 35 minutes
00:30; a half hour after midnight
it will be 6:30 am of the same day
6 and 1/2 hours
1230 pm
On A 12 hour clock, it would be 12:30 am, or 12:30pm.