The image you've uploaded is a completed worksheet titled
"Converting 12-Hour Times (A) Answers" from
Math-Drills.com, which shows the conversion of 12-hour clock times to 24-hour clock times. Let's go through the solutions and explain how each conversion works.
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🔁 How to Convert 12-Hour Time to 24-Hour Time
#### 📌 General Rules:
1.
AM Times:
- For times from
12:00 AM to 12:59 AM, use
00:00 to 00:59.
- Example: 12:00 AM → 00:00
- For times from
1:00 AM to 11:59 AM, keep the same numbers but add a leading zero if needed.
- Example: 9:24 AM → 09:24
2.
PM Times:
- For
12:00 PM, it becomes
12:00 in 24-hour format.
- For times from
1:00 PM to 11:59 PM, add
12 hours to the hour part.
- Example: 2:34 PM → 2 + 12 = 14 → 14:34
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✔ Now, let’s verify each answer:
| 12-Hour Time | Conversion Rule | 24-Hour Time |
|--------------|------------------|---------------|
|
2:34 PM | 2 + 12 = 14 → 14:34 |
✔ 14:34 |
|
12:00 PM | Noon → 12:00 |
✔ 12:00 |
|
9:20 PM | 9 + 12 = 21 → 21:20 |
✔ 21:20 |
|
6:13 PM | 6 + 12 = 18 → 18:13 |
✔ 18:13 |
|
9:32 PM | 9 + 12 = 21 → 21:32 |
✔ 21:32 |
|
12:00 AM | Midnight → 00:00 |
✔ 00:00 |
|
9:24 AM | Keep as is, add leading zero → 09:24 |
✔ 09:24 |
|
6:47 PM | 6 + 12 = 18 → 18:47 |
✔ 18:47 |
|
3:29 AM | Keep as is, add leading zero → 03:29 |
✔ 03:29 |
|
10:25 PM | 10 + 12 = 22 → 22:25 |
✔ 22:25 |
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✔ Final Answer Summary:
All conversions on the worksheet are
correct.
| 12-Hour Time | 24-Hour Time |
|--------------|---------------|
| 2:34 PM | 14:34 |
| 12:00 PM | 12:00 |
| 9:20 PM | 21:20 |
| 6:13 PM | 18:13 |
| 9:32 PM | 21:32 |
| 12:00 AM | 00:00 |
| 9:24 AM | 09:24 |
| 6:47 PM | 18:47 |
| 3:29 AM | 03:29 |
| 10:25 PM | 22:25 |
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💡 Key Takeaways:
-
AM times before noon stay the same (with leading zero for single digits), except
12:00 AM → 00:00.
-
PM times after noon:
add 12 to the hour, except
12:00 PM → 12:00.
- This system is widely used in military time, transportation schedules, and international contexts.
Let me know if you'd like a printable version or a practice worksheet!
Parent Tip: Review the logic above to help your child master the concept of 24 hour clock worksheet.
