1300 hours = 1:00 PM
1300 hours is 1:00 PM in standard 12-hour time. On a 24-hour clock it is 13:00. Spoken military time is “thirteen hundred hours”.
How to convert 1300
1300 is after noon. Subtract 12 from the hour (13 − 12 = 1) and add PM. The result is 1:00 PM. Hours 1300–2359 are all PM.