"Military time" is simply the 24 hour clock, which is actually more commonly used worldwide than the 12 hour clock common to North America. In most other countries, it would be written simply as 11:38 (whereas, if it were PM, it would be 23.38), and, in the military, the colon would simply be removed, to read 1138.
11:30 a.m.
2 hours from 1130 pm to 130 am 14 hours from 1130 am to 130 am
6 hours.
7 hours or 19 hours, depending on whether either time is AM or PM.
3 hours and 45 minutes.
3 hours.
Three hours
1430
2.75 hours is 2 hours and 45 minutes. So you would leave at 2:15.
3 hours.
5 hours.
Between 6:30-7:00am. The time difference is about 4 hours, depending where in the country you are.
There is 2 hours difference... the time in California would be 0930 if it's 11:30 in Arkansas.