1230 ???? Are you on the '24' hour clock? If so , 5 hours previously will be 0730 hrs.
If you are on the '12 hour' clock, please specify whether it is 'am' or 'pm'.
If it is 12:30 am , the 5 hours previously will be 7:30 pm
If it is 12:30 pm , then 5 hours previously will be 7:30 am.
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
1230/5 = 246
3.5 hours.
20.5 hours.
On A 12 hour clock, it would be 12:30 am, or 12:30pm.
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.