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Quizzes > Mathematics > Basic Math & Arithmetic

Clock Quiz: Test Your 24-Hour Time Skills!

Ready for a clock time test? Let's see what you've got!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art clock and 24 hour digital time icons on sky blue background for clock quiz

This clock quiz helps you read analog clocks and 24‑hour time with speed and accuracy. Play through quick questions to build confidence, spot mistakes fast, and see how you do, or review tips with our analog clock practice before you start.

What is 3:00 PM in 24-hour format?
13:00
12:30
03:00
15:00
On the 24-hour clock, times after 12:00 PM are expressed by adding 12 to the hour. Since 3:00 PM is 3 + 12 = 15 hours, it becomes 15:00. The minutes remain unchanged in this conversion. .
What time is 00:45 in 12-hour format?
12:45 PM
11:45 AM
11:45 PM
12:45 AM
Times between 00:00 and 00:59 on a 24-hour clock map to 12:00 AM to 12:59 AM in 12-hour notation. Thus 00:45 is read as 12:45 AM. This is the way midnight hour is handled in 12-hour clocks. .
How many hours and minutes are between 14:30 and 16:00?
1 hour 0 minutes
2 hours 30 minutes
1 hour 30 minutes
2 hours 0 minutes
Subtracting 14:30 from 16:00 yields 1 hour and 30 minutes. On a 24-hour clock, you simply subtract hours and minutes separately, borrowing if needed. Here no borrowing is required because 00 minutes to 30 minutes is straightforward. .
In 24-hour time, what is quarter past nine in the morning?
09:15
09:45
09:05
21:15
'Quarter past' means 15 minutes after the hour. Since it's in the morning (before noon), you use the hour as-is on the 24-hour clock. Thus quarter past nine is 09:15. .
A meeting is scheduled at 18:50. What is its 12-hour format?
6:50 AM
8:10 PM
6:40 PM
6:50 PM
On a 24-hour clock, hours from 13:00 to 23:59 correspond to 1:00 PM through 11:59 PM in 12-hour time. To convert, subtract 12 from the hour: 18 - 12 = 6, and append PM. .
Convert 11:11 PM to 24-hour time.
11:11
12:11
21:11
23:11
For PM times after 12:00, you add 12 to the hour to convert to 24-hour notation. 11 + 12 = 23, so 11:11 PM becomes 23:11. Minutes stay the same. .
A flight departs at 23:55 and flies for 2 hours 20 minutes. What is the arrival time (next day)?
01:15
01:55
02:05
02:15
From 23:55 add 2 hours to reach 01:55, then add 20 minutes to reach 02:15 the next day. In 24-hour time, after 23:59 it rolls over to 00:00. .
How many minutes are there between 05:15 and 17:45?
780
630
750
720
From 05:15 to 17:45 is 12 hours 30 minutes. Converting to minutes: 12 × 60 + 30 = 720 + 30 = 750. Always convert hours to minutes before adding leftover minutes. .
If you start a timer at 21:37 and stop it at 29:12, what is the total duration?
06:55
07:15
08:05
07:35
Times beyond 23:59 roll into the next day: 29:12 is 05:12 next morning. From 21:37 to midnight is 2h23m, plus 5h12m equals 7h35m. Always split at 24:00 when calculating. .
How many times do the hour and minute hands overlap in a 24-hour period?
24
23
22
20
In each 12-hour cycle, hands overlap 11 times (not 12) because the first and last overlap coincide at 12:00. Over 24 hours, that doubles to 22 overlaps. .
At what time between 4:00 and 5:00 (to the nearest minute) do the hands form a right angle for the second time?
4:38
4:49
4:27
4:54
Within each hour, the hands form right angles twice. The second right angle after 4:00 occurs around 4:38 and 11?11 minutes. Using the formula for hand angles yields approximately 4:38. .
How many palindromic times are there on a 24-hour digital clock between 00:00 and 23:59?
10
20
12
16
A palindromic time reads the same forwards and backwards (HH:MM). Valid palindromes occur when HH reversed equals MM. In a full day there are 16 such times. .
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Study Outcomes

  1. Understand 24-Hour Time Principles -

    Grasp the logic behind 24-hour time formats to confidently tackle any clock quiz question.

  2. Convert Between Time Formats -

    Accurately switch times from 12-hour to 24-hour systems (and vice versa) to master our clock time test challenges.

  3. Read Analog and Digital Clocks -

    Interpret both analog faces and digital displays with precision, ensuring success on every section of the clock quiz.

  4. Identify AM and PM Correctly -

    Distinguish between morning and afternoon times to eliminate common errors in your clock time quiz answers.

  5. Apply Speed-Reading Strategies -

    Use targeted techniques to improve response time and accuracy, boosting your performance on clock tests for kids and adults alike.

  6. Analyze Quiz Performance -

    Review your results to highlight strengths and address weaknesses, setting you up for ongoing success with 24 trivia questions.

Cheat Sheet

  1. Mastering 24-Hour Time Basics -

    Learn the core rule: hours 00 to 23 represent midnight to 11 PM, so 00:00 is midnight and 23:59 is one minute before the next day. The National Institute of Standards and Technology (NIST) recommends this format to avoid AM/PM confusion in any clock quiz.

  2. Converting 12-Hour to 24-Hour Time -

    For PM times (except 12 PM) simply add 12 to the hour (e.g., 7:45 PM becomes 19:45) and for 12 AM use 00:00. A handy mnemonic is "Add 12 after noon," which aligns with guidelines from the University of Cambridge's math resources. This trick powers through any clock time quiz with ease.

  3. Reading Minutes on the Clock Face -

    Each numeral on an analog clock represents a 5-minute increment, so when the minute hand points to 4 it indicates 20 minutes past the hour. Cambridge University's Faculty of Education highlights this technique in early math curricula, making clock test for kids more intuitive.

  4. Applying Mental Math Strategies -

    Break down times into hours and minutes to solve problems faster: for example, subtracting 14:20 from 17:45 can be done by converting to total minutes (17×60+45 minus 14×60+20). Research from Khan Academy shows that timed drills of this method enhance performance on a clock time test and boost recall under pressure. Use flashcards or apps that randomize 24-hour time prompts for daily practice.

  5. Using Interactive Practice and 24 Trivia -

    Engage with online clock quizzes that feature 24 trivia to reinforce learning - interactive platforms like EdX and Khan Academy track progress automatically. The American Meteorological Society suggests that periodic low-stakes quizzes reduce stress and improve long-term retention before a formal clock time quiz. Aim for short, daily 5-minute sessions and watch your accuracy soar.

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