On A 12 hour clock, it would be 12:30 am, or 12:30pm.
The time from 0530 to 1230 is 7 hours. To calculate this, you can subtract 0530 from 1230: 1230 - 0530 = 0700, which equals 7 hours.
6 and 1/2 hours
3.5 hours.
20.5 hours.
1375
It is 4 hours.
Four
4
12:30 am in military/24 hour time is 0030 hours. NB 12:30 am is 30 minutes past midnight.
201/2 hours exactly.
Noon is 1200 hours. Midnight is 2400 hours. I've also seen 0000 hours for midnight.
1960