12pm and 12am are the same in 24 hour clock, at 0:00 hours
0750
12pm eastern time in America would be 5pm british time
12pm is daytime (noon) 12am is nighttime.
because
You can never have the same time in a day, e.g. 12pm and then in the same day 12pm.
12pm
at 12pm
12pm
12pm
12pm
12pm in several counties near Chicago and Evansville. 1pm in most of Indiana
at 12pm