1000 hours = 10:00 AM
1000 hours is 10:00 AM in standard 12-hour time. On a 24-hour clock it is 10:00. Spoken military time is “ten hundred hours”.
How to convert 1000
1000 is a morning time (hour 10 on the 24-hour clock). Drop any leading zero and add AM: 10:00 AM. Hours 0000–1159 are all AM.