Pronunciation

Zero one hundred hours

ZEER-oh wun HUN-dred

In military and NATO communications, times are always spoken aloud to avoid confusion. The word "hours" is always appended.

Quick Facts

Military Time
0100
Standard Time
1:00 AM
24-Hour
01:00
Period
AM

Step-by-Step Conversion

How to Convert 0100 to Standard Time

1

Start with 0100

2

Hours 0001–1159 are AM hours

3

1 < 12, so keep the hour as-is: 1

4

Add AM: 1:00 AM

5

Result: 1:00 AM

Rule of thumb: Hours 0100 through 1159 map directly to 1:00 AM through 11:59 AM — no math needed.

All 01xx Minutes

Every Minute in the 1:00 Hour

Every minute from 0100 to 0159 with its standard time equivalent. Useful for precise scheduling, medication logs, shift reports, and operational orders.

Military Time Standard Time Offset from 0100
0100 1:00 AM +0 min
0101 1:01 AM +1 min
0102 1:02 AM +2 min
0103 1:03 AM +3 min
0104 1:04 AM +4 min
0105 1:05 AM +5 min
0106 1:06 AM +6 min
0107 1:07 AM +7 min
0108 1:08 AM +8 min
0109 1:09 AM +9 min
0110 1:10 AM +10 min
0111 1:11 AM +11 min
0112 1:12 AM +12 min
0113 1:13 AM +13 min
0114 1:14 AM +14 min
0115 1:15 AM +15 min
0116 1:16 AM +16 min
0117 1:17 AM +17 min
0118 1:18 AM +18 min
0119 1:19 AM +19 min
0120 1:20 AM +20 min
0121 1:21 AM +21 min
0122 1:22 AM +22 min
0123 1:23 AM +23 min
0124 1:24 AM +24 min
0125 1:25 AM +25 min
0126 1:26 AM +26 min
0127 1:27 AM +27 min
0128 1:28 AM +28 min
0129 1:29 AM +29 min
0130 1:30 AM +30 min
0131 1:31 AM +31 min
0132 1:32 AM +32 min
0133 1:33 AM +33 min
0134 1:34 AM +34 min
0135 1:35 AM +35 min
0136 1:36 AM +36 min
0137 1:37 AM +37 min
0138 1:38 AM +38 min
0139 1:39 AM +39 min
0140 1:40 AM +40 min
0141 1:41 AM +41 min
0142 1:42 AM +42 min
0143 1:43 AM +43 min
0144 1:44 AM +44 min
0145 1:45 AM +45 min
0146 1:46 AM +46 min
0147 1:47 AM +47 min
0148 1:48 AM +48 min
0149 1:49 AM +49 min
0150 1:50 AM +50 min
0151 1:51 AM +51 min
0152 1:52 AM +52 min
0153 1:53 AM +53 min
0154 1:54 AM +54 min
0155 1:55 AM +55 min
0156 1:56 AM +56 min
0157 1:57 AM +57 min
0158 1:58 AM +58 min
0159 1:59 AM +59 min

Frequently Asked Questions

What is 0100 military time?

0100 military time is 1:00 AM. It is expressed as a four-digit number where the first two digits (01) represent the hour in 24-hour format, and the last two digits (00) represent the minutes. In military and aviation contexts, this time is spoken aloud as "Zero one hundred hours."

How do you convert 0100 to regular time?

0100 falls in the AM hours (0001–1159), so the hour maps directly. 1 becomes 1:00 AM.

How is 0100 pronounced in military time?

0100 is pronounced "Zero one hundred hours" — phonetically written as "ZEER-oh wun HUN-dred." In NATO phonetic communications, "hundred" is always added after the hour, and "hours" follows at the end to make it unambiguous over radio.