Convert 01:00 to 12-hour AM/PM format

24-Hour Time to 12-Hour Time Converter
What time is
:
in 12-hour system?

What is 01:00 in 12-Hour Time?

Answer

01:00 on 12-hour clock it is
1:00 AM

0100 hours · military

AM — before noon: 00:00–11:59 is AM, 12:00–23:59 is PM. Minutes stay the same.

24-hour on top, 12-hour below
AMbefore noon001201102203304405506607708809910101111
PMafter noon121213114215316417518619720821922102311

Hour 01 is written 1 with AM, minutes stay :00 → 1:00 AM

Other ways to say 1:00 AM

  • One o'clock
  • One o'clock at night
  • One a.m.
  • One
  • Military: “zero one hundred hours”

See Also

Recalculate with different values ↑

24-Hour Military to 12-Hour Time Conversion Table

24-Hour Clock12-Hour Clock
00:0012:00 AM
01:001:00 AM
02:002:00 AM
03:003:00 AM
04:004:00 AM
05:005:00 AM
06:006:00 AM
07:007:00 AM
08:008:00 AM
09:009:00 AM
10:0010:00 AM
11:0011:00 AM
12:0012:00 PM
13:001:00 PM
14:002:00 PM
15:003:00 PM
16:004:00 PM
17:005:00 PM
18:006:00 PM
19:007:00 PM
20:008:00 PM
21:009:00 PM
22:0010:00 PM
23:0011:00 PM

FAQ

What is 01:00 in 12-Hour Time?

01:00 on 12-hour clock it is 1:00 AM

Is 01:00 AM or PM?

01:00 is 1:00 AM. Since the hour 1 is less than 12, it is AM (Ante Meridiem).

What is 01:00 in military time?

01:00 in military time is 0100 hours, which is 1:00 AM in standard 12-hour format.

See Also