Military Time Chart with Minute Increments

This detailed military time chart includes minute increments for precise time conversions between standard 12-hour format and military 24-hour format. While the hour conversions form the foundation of military time, understanding how minutes are represented is equally important for accurate timekeeping in military, aviation, healthcare, and other professional settings.

Unlike the standard 12-hour clock that uses a colon to separate hours and minutes (e.g., 3:45 PM), military time is typically written as a four-digit number without separators (e.g., 1545). The hour portion ranges from 00-23, while minutes always range from 00-59 in both systems.

How to Read This Chart

This chart is organized as follows:

  • Hour sections: Each military hour is shown with its standard time equivalent
  • Minute increments: For each hour, we show common minute increments (00, 15, 30, 45)
  • Pronunciation guide: Learn how to properly say each military time
  • Time period indicators: AM hours (0000-1159) and PM hours (1200-2359) are color-coded

For example, to convert 3:45 PM to military time:

  1. Find the hour (3 PM = 1500 in military time)
  2. Add the minutes (45) to get 1545
  3. Pronunciation: "Fifteen forty-five hours" or "Fifteen forty-five"
Military Time Standard Time Pronunciation Time Period
0000 12:00 AM "Zero hundred hours" or "Midnight" Night
0015 12:15 AM "Zero zero fifteen" Night
0030 12:30 AM "Zero zero thirty" Night
0045 12:45 AM "Zero zero forty-five" Night
0100 1:00 AM "Zero one hundred hours" Early Morning
0115 1:15 AM "Zero one fifteen" Early Morning
0130 1:30 AM "Zero one thirty" Early Morning
0145 1:45 AM "Zero one forty-five" Early Morning
0200 2:00 AM "Zero two hundred hours" Early Morning
0215 2:15 AM "Zero two fifteen" Early Morning
0230 2:30 AM "Zero two thirty" Early Morning
0245 2:45 AM "Zero two forty-five" Early Morning
0600 6:00 AM "Zero six hundred hours" Morning
0615 6:15 AM "Zero six fifteen" Morning
0630 6:30 AM "Zero six thirty" Morning
0645 6:45 AM "Zero six forty-five" Morning
1200 12:00 PM "Twelve hundred hours" or "Noon" Midday
1215 12:15 PM "Twelve fifteen" Afternoon
1230 12:30 PM "Twelve thirty" Afternoon
1245 12:45 PM "Twelve forty-five" Afternoon
1500 3:00 PM "Fifteen hundred hours" Afternoon
1515 3:15 PM "Fifteen fifteen" Afternoon
1530 3:30 PM "Fifteen thirty" Afternoon
1545 3:45 PM "Fifteen forty-five" Afternoon
1800 6:00 PM "Eighteen hundred hours" Evening
1815 6:15 PM "Eighteen fifteen" Evening
1830 6:30 PM "Eighteen thirty" Evening
1845 6:45 PM "Eighteen forty-five" Evening
2100 9:00 PM "Twenty-one hundred hours" Night
2115 9:15 PM "Twenty-one fifteen" Night
2130 9:30 PM "Twenty-one thirty" Night
2145 9:45 PM "Twenty-one forty-five" Night
2300 11:00 PM "Twenty-three hundred hours" Night
2315 11:15 PM "Twenty-three fifteen" Night
2330 11:30 PM "Twenty-three thirty" Night
2345 11:45 PM "Twenty-three forty-five" Night
2359 11:59 PM "Twenty-three fifty-nine" Night

Expert Tips for Using Military Time with Minutes

Understanding how to properly use and communicate military time with minutes can be crucial in many professional settings. Here are some expert recommendations based on years of practical experience:

For Written Communication

  • Always use all four digits in written form (e.g., 0845 for 8:45 AM)
  • Never use a colon or separators when writing military time
  • In formal documentation, include "hours" after the time (e.g., 1430 hours)
  • When precision is critical, add seconds (e.g., 143022 for 2:30:22 PM)
  • For international communications, consider adding the time zone (e.g., 1430Z for Zulu/UTC time)

For Verbal Communication

  • For times on the hour, say "hundred hours" (e.g., "fifteen hundred hours")
  • For times with minutes, say the hour followed by minutes (e.g., "fifteen forty-five")
  • Leading zeros in the hour are pronounced "zero" (e.g., "zero eight forty-five")
  • In aviation, each digit is often pronounced separately (e.g., "one-five-four-five")
  • For critical communications, confirm time understanding with the receiver

Military time with minutes follows a logical pattern, making it easier to use once you've learned the system. The key is consistent practice, especially if you're transitioning from exclusively using standard time. Many professionals find it helpful to use military time in daily life to reinforce the habit.

Quick Conversion Formula for Military Time with Minutes

Converting between standard time and military time with minutes can be simplified with these formulas:

Standard to Military Time Conversion

  • For AM hours (1:00 AM to 11:59 AM):
    • Add a leading zero to hours less than 10
    • Example: 9:30 AM = 0930
  • For 12:00 AM (midnight):
    • Replace with 0000
  • For PM hours (1:00 PM to 11:59 PM):
    • Add 12 to the hour
    • Example: 3:45 PM = 1545 (3 + 12 = 15)
  • For 12:00 PM (noon):
    • Remains 1200

Military to Standard Time Conversion

  • For hours 0000 to 1159:
    • If hour is 00, replace with 12 AM
    • Otherwise, remove leading zero for single-digit hours and add AM
    • Example: 0315 = 3:15 AM
  • For hours 1200 to 2359:
    • If hour is 12, use 12 PM
    • Otherwise, subtract 12 from the hour and add PM
    • Example: 1945 = 7:45 PM (19 - 12 = 7)

Compact Minutes Reference Table

For quick reference, here's a compact table showing just the minute conversions (1-59). The minute portion of military time is identical to standard time, always written with two digits.

Standard Minutes Military Minutes Standard Minutes Military Minutes Standard Minutes Military Minutes
1 minute 01 21 minutes 21 41 minutes 41
2 minutes 02 22 minutes 22 42 minutes 42
3 minutes 03 23 minutes 23 43 minutes 43
4 minutes 04 24 minutes 24 44 minutes 44
5 minutes 05 25 minutes 25 45 minutes 45
6 minutes 06 26 minutes 26 46 minutes 46
7 minutes 07 27 minutes 27 47 minutes 47
8 minutes 08 28 minutes 28 48 minutes 48
9 minutes 09 29 minutes 29 49 minutes 49
10 minutes 10 30 minutes 30 50 minutes 50
11 minutes 11 31 minutes 31 51 minutes 51
12 minutes 12 32 minutes 32 52 minutes 52
13 minutes 13 33 minutes 33 53 minutes 53
14 minutes 14 34 minutes 34 54 minutes 54
15 minutes 15 35 minutes 35 55 minutes 55
16 minutes 16 36 minutes 36 56 minutes 56
17 minutes 17 37 minutes 37 57 minutes 57
18 minutes 18 38 minutes 38 58 minutes 58
19 minutes 19 39 minutes 39 59 minutes 59
20 minutes 20 40 minutes 40 0 minutes 00

Professional Applications of Military Time with Minutes

Military time with minutes is essential in numerous fields where precise timekeeping and clear communication are critical. Here are some of the primary applications:

Healthcare

Medical professionals use military time to record patient treatment times, medication administration, and shift scheduling. This eliminates AM/PM confusion which could lead to critical treatment errors.

Example: A medication administered at 1430 (2:30 PM) with follow-up doses at 1830 (6:30 PM) and 2230 (10:30 PM).

Aviation

Pilots, air traffic controllers, and flight dispatchers use military time for flight plans, departure/arrival times, and all communications to ensure accurate timing across time zones.

Example: A flight scheduled to depart at 0845 (8:45 AM) with an estimated arrival time of 1022 (10:22 AM).

Military Operations

Military personnel use the 24-hour clock for mission planning, operation timing, and all official documentation to ensure precise coordination between units and across time zones.

Example: Operation commencing at 0330 (3:30 AM) with phase two beginning at 0515 (5:15 AM).

Emergency Services

Police, fire, and EMS personnel use military time to log incident times, dispatch calls, and coordinate response efforts with absolute clarity.

Example: Incident reported at 2217 (10:17 PM), units dispatched at 2219 (10:19 PM), arrival on scene at 2224 (10:24 PM).

Space Operations

Space agencies like NASA use military time for mission control operations, spacecraft event timing, and international space station scheduling.

Example: Spacecraft launch window opening at 1342 (1:42 PM) and closing at 1517 (3:17 PM).

Maritime Operations

Ship crews and maritime agencies use military time for navigation logs, port scheduling, and all operational communications to avoid confusion at sea.

Example: Ship departure from port at 0600 (6:00 AM) with estimated arrival at next port at 1745 (5:45 PM).

International Variations in Military Time Notation

While the basic 24-hour time format is standard worldwide, there are some variations in how military time with minutes is written and spoken in different countries and organizations:

Region/Organization Written Format Spoken Format Example (3:45 PM)
US Military 1545 (no separator) "Fifteen forty-five hours" 1545 or 1545 hours
NATO 1545Z (Z indicates Zulu/UTC time) "Fifteen forty-five zulu" 1545Z
European Countries 15:45 (with colon) "Fifteen forty-five" 15:45
Aviation (International) 1545 or 15:45 "One-five-four-five" (each digit separately) 1545
UK Military 1545hrs "Fifteen forty-five hours" 1545hrs
Australian Military 1545h "Fifteen forty-five" 1545h
French Military 15h45 "Quinze heures quarante-cinq" 15h45

When working internationally, it's important to be aware of these variations and to clarify which format is being used, especially when precise timing is critical. Many international organizations will specify time zone information along with the time to ensure absolute clarity across global operations.

Frequently Asked Questions About Military Time with Minutes

3:45 PM is written as 1545 in military time. You add 12 to the hour (3 + 12 = 15) and keep the minutes the same.

For minutes in military time, you simply say the number as-is. For example, 1545 would be pronounced as "fifteen forty-five" or "fifteen forty-five hours." Some organizations pronounce each digit separately, so 1545 would be "one-five-four-five."

Traditional U.S. military time notation does not use colons. Times are written as four digits without separators (e.g., 1545 rather than 15:45). However, in many European countries and some international contexts, colons are used in 24-hour time (15:45).

12:01 AM is written as 0001 in military time. Midnight (12:00 AM) is 0000, so one minute after midnight is 0001.

11:59 PM is written as 2359 in military time. It's one minute before midnight (0000).

Disclaimer: This military time chart with minutes is provided for educational and reference purposes. While we strive for accuracy, please verify critical time conversions independently, especially for applications where precision is essential, such as medical dosing, aviation, or military operations.