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
To convert 1230 minutes into hours, divide 1230 by 60 (since there are 60 minutes in an hour). This gives you 20.5 hours. Therefore, 1230 minutes is equivalent to 20 hours and 30 minutes.
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.
Noon is 1200 hours. Midnight is 2400 hours. I've also seen 0000 hours for midnight.
201/2 hours exactly.