Reference & AI

0900 Military Time

AR 25-50

0900 on the 24-hour clock is 9:00 AM. Every minute of the hour, the Zulu time by U.S. time zone and how to say it are below.

Reviewed by Guilherme Correia, active-duty U.S. Air Force

0900 in standard time

9:00 AM

Read aloud

zero nine hundred

The hour before and after

0800 · 1000

Before noon the hour keeps its number: drop the leading zero and add a.m., so 0900 is 9:00 a.m.

0900 to 0959: every minute of the hour

The first two digits stay 09; the last two are the minutes.

0900 to 0914 in standard time
MilitaryStandard
09009:00 a.m.
09019:01 a.m.
09029:02 a.m.
09039:03 a.m.
09049:04 a.m.
09059:05 a.m.
09069:06 a.m.
09079:07 a.m.
09089:08 a.m.
09099:09 a.m.
09109:10 a.m.
09119:11 a.m.
09129:12 a.m.
09139:13 a.m.
09149:14 a.m.
0915 to 0929 in standard time
MilitaryStandard
09159:15 a.m.
09169:16 a.m.
09179:17 a.m.
09189:18 a.m.
09199:19 a.m.
09209:20 a.m.
09219:21 a.m.
09229:22 a.m.
09239:23 a.m.
09249:24 a.m.
09259:25 a.m.
09269:26 a.m.
09279:27 a.m.
09289:28 a.m.
09299:29 a.m.
0930 to 0944 in standard time
MilitaryStandard
09309:30 a.m.
09319:31 a.m.
09329:32 a.m.
09339:33 a.m.
09349:34 a.m.
09359:35 a.m.
09369:36 a.m.
09379:37 a.m.
09389:38 a.m.
09399:39 a.m.
09409:40 a.m.
09419:41 a.m.
09429:42 a.m.
09439:43 a.m.
09449:44 a.m.
0945 to 0959 in standard time
MilitaryStandard
09459:45 a.m.
09469:46 a.m.
09479:47 a.m.
09489:48 a.m.
09499:49 a.m.
09509:50 a.m.
09519:51 a.m.
09529:52 a.m.
09539:53 a.m.
09549:54 a.m.
09559:55 a.m.
09569:56 a.m.
09579:57 a.m.
09589:58 a.m.
09599:59 a.m.

0900 local time in Zulu (UTC)

From the FAA's table: add the hours shown to standard time, one hour less in daylight time.

0900 in each U.S. time zone, converted to Zulu time
0900 in this zoneStandard timeDaylight time
Eastern1400Z1300Z
Central1500Z1400Z
Mountain1600Z1500Z
Pacific1700Z1600Z
Alaska1800Z1700Z
Hawaii1900Z1800Z

How 0900 is written and said

AR 25-50, para. 1-26: "Military time will be expressed in a group of four digits, from 0001 to 2400, based on the 24–hour clock system. The first two digits represent the hour after midnight and the last two digits represent the minutes." So 0900 is hour 09, minute 00: 9:00 a.m.

Said aloud it is "zero nine hundred". On paper the same paragraph says "The word "hours" will not be used in conjunction with military time," and that military time is used for memorandums while civilian time is used in letters.

Every hour in military time

For any other time, in either direction, use the military time converter.

Keep going

AR 25-50, Preparing and Managing Correspondence, para. 1-26 (10 October 2020, administrative revisions through 4 October 2024) · Federal Aviation Administration, Aeronautical Information Manual, Chapter 4, Section 2, paragraph 4-2-12, Time (read November 11, 2026)

Results are estimates. Always verify with your finance office.

Reviewed by Guilherme Correia · Military Toolkit editorial

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Official sources: AR 25-50 on armypubs.army.mil · FAA Aeronautical Information Manual, paragraph 4-2-12.