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Quizzes > Mathematics > Basic Math & Arithmetic

Master Military Time: Test Your Conversion Skills

Think you can ace this military time test? Practice your conversion skills now!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration for military time quiz on teal background

This military time quiz helps you convert between 12-hour and 24-hour time, both ways, so you can turn 14:30 into 2:30 PM without slip‑ups. Work through short, real-life prompts to build speed, with extra drills in another practice set and a quick clock warm‑up.

Convert 1:00 PM to 24-hour format.
01:00
11:00
13:00
12:00
In 24-hour time, any hour from 1 PM to 11 PM has 12 added to its civilian value. Therefore, 1:00 PM becomes 13:00. This system avoids AM/PM ambiguity and is used by militaries and many international organizations. For more details, see .
Convert 6:45 AM to 24-hour format.
06:45
18:45
00:45
16:45
Morning times from 1:00 AM to 9:59 AM remain the same in 24-hour format, but you pad the hour with a leading zero. Thus, 6:45 AM is written 06:45. This preserves chronological order without AM/PM indicators. Learn more at .
Convert 12:00 AM (midnight) to 24-hour format.
24:00
12:00 PM
00:00
12:00
Midnight in civilian time is 12:00 AM, but in 24-hour time it is represented as 00:00 at the start of the day. The value 24:00 is sometimes used to denote the end of a day, but standard conversion for midnight is 00:00. See for more.
Convert 11:59 PM to 24-hour format.
00:01
11:59
23:59
12:59
For PM times after noon, add 12 to the hour component. Since 11 + 12 = 23, 11:59 PM becomes 23:59. This ensures the time is unambiguous and follows the 24-hour clock. Additional examples are available at .
Convert 12:30 PM to 24-hour format.
12:30
00:30
12:00
24:30
No conversion is needed for the hour of 12 PM in 24-hour time; it remains 12. Thus, 12:30 PM is written 12:30. Avoid confusing 12 PM with 00:00, which denotes midnight. See a deeper explanation at .
Convert 4:05 PM to 24-hour format.
14:05
16:05
17:05
04:05
Times from 1 PM to 11 PM are converted by adding 12 to the hour. Here, 4 + 12 = 16, so 4:05 PM is 16:05 in 24-hour time. Padding the minutes is not necessary when they are two digits. More examples can be found on .
Convert 12:01 PM to 24-hour format.
12:01
24:01
12:00
00:01
Although times immediately after noon can be confusing, 12:01 PM in 24-hour notation remains 12:01 because only hours from 1 PM onward require adding 12. Minutes are unchanged. Visit for a full guide.
Convert 12:30 AM to 24-hour format.
12:30
12:00
24:30
00:30
Times after midnight and before 1 AM are converted by using 00 for the hour and keeping the minutes the same. Therefore, 12:30 AM becomes 00:30. This distinguishes it clearly from afternoon times. For advanced details, see .
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Study Outcomes

  1. Convert Civilian Times to 24-Hour Format -

    Test your ability to convert standard AM/PM times into military time, ensuring accurate 24-hour format conversions for hours and minutes.

  2. Translate Military Time to Civilian Clock -

    Master the reverse translation from 24-hour military time back into familiar civilian AM/PM schedules for everyday use.

  3. Apply Conversion Techniques Under Time Pressure -

    Use quick-reference strategies introduced in this practice military time quiz to make rapid and reliable time conversions on the fly.

  4. Interpret Real-World Schedules in Military Time -

    Analyze sample schedules and timetables to confidently read and understand military time entries in professional and personal contexts.

  5. Assess Accuracy with Instant Feedback -

    Leverage immediate quiz responses to identify common errors in your conversion process and reinforce correct military time usage.

  6. Improve Retention Through Repeated Practice -

    Engage with multiple practice military time test questions to solidify your understanding and boost long-term retention of the 24-hour clock system.

Cheat Sheet

  1. Understanding the 24-Hour Format -

    The 24-hour system runs from 00:00 to 23:59 and is standardized by ISO 8601, ensuring global consistency. This format eliminates AM/PM confusion, which is crucial for precise communication in military and aviation contexts. Knowing this backbone concept sets you up for success on any military time quiz!

  2. Converting AM Times -

    For times from midnight up to 9:59 AM, simply add a leading zero to single-digit hours (e.g., 7:30 AM becomes 07:30). This rule follows guidelines from the U.S. Army Field Manual, emphasizing uniform four-digit entries. Practicing this quick step builds confidence and accuracy.

  3. Converting PM Times -

    For times between 1:00 PM and 11:59 PM, add 12 to the civilian hour (so 3:45 PM becomes 15:45). This straightforward formula is taught across military training programs and aviation schools. Mastering this conversion makes the military time test feel like a breeze.

  4. Special Cases: Midnight and Noon -

    Midnight is always represented as 00:00 and marks the start of the day, while noon is always 12:00, per NIST and Department of Defense standards. These unique times have no AM/PM suffix in the 24-hour clock, so memorizing them prevents common pitfalls. Spotting these instantly will boost your quiz score.

  5. Memory Aids and Practice Drills -

    Use catchy mnemonics like "After Twelve, Always Add Twelve" to lock in the PM conversion rule. Combine this with timed drills on reputable training portals (e.g., university or DoD practice sites) for rapid feedback. Regular practice turns military time conversions into second nature.

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