Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 33 · 40 sums

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

1. 1.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 04:35
2. 2.Write 4:55 a.m. in 24-hour time. (a) 06:55 (b) 16:55 (c) 04:55
3. 3.A film is 1 hour 45 minutes long. How many minutes is that?
4. 4.What is 07:30 in 12-hour time? (a) 7:30 p.m. (b) 9:30 a.m. (c) 7:30 a.m.
5. 5.What is 05:55 in 12-hour time? (a) 5:55 p.m. (b) 7:55 a.m. (c) 5:55 a.m.
6. 6.What is 15:40 in 12-hour time? (a) 3:40 a.m. (b) 5:40 p.m. (c) 3:40 p.m.
7. 7.A match starts at 07:15 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:20 (b) 10:20 (c) 09:20
8. 8.Write 7:15 a.m. in 24-hour time. (a) 19:15 (b) 09:15 (c) 07:15
9. 9.What is 02:10 in 12-hour time? (a) 4:10 a.m. (b) 2:10 p.m. (c) 2:10 a.m.
10. 10.What is 10:00 in 12-hour time? (a) 10:00 p.m. (b) 10:00 a.m. (c) 12:00 a.m.
11. 11.Write 4:20 p.m. in 24-hour time. (a) 04:20 (b) 16:20 (c) 18:20
12. 12.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 10:45 (c) 08:45
13. 13.A film is 4 hours 15 minutes long. How many minutes is that?
14. 14.How many hours are there from 09:00 to 11:00?
15. 15.A match starts at 13:55 and lasts 3 hours 30 minutes. At what time does it end? (a) 18:25 (b) 17:25 (c) 16:25
16. 16.A train leaves at 15:30 and reaches at 16:40. How long is the journey (in minutes)?
17. 17.A train leaves at 09:10 and reaches at 12:15. How long is the journey (in minutes)?
18. 18.What is 13:25 in 12-hour time? (a) 3:25 p.m. (b) 1:25 p.m. (c) 1:25 a.m.
19. 19.A match starts at 10:40 and lasts 2 hours 20 minutes. At what time does it end? (a) 12:00 (b) 13:00 (c) 14:00
20. 20.What is 23:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 p.m. (c) 11:35 p.m.
21. 21.A train leaves at 10:40 and reaches at 11:45. How long is the journey (in minutes)?
22. 22.How many hours are there from 10:00 to 21:00?
23. 23.Write 9:50 a.m. in 24-hour time. (a) 11:50 (b) 09:50 (c) 21:50
24. 24.A film is 4 hours 35 minutes long. How many minutes is that?
25. 25.A train leaves at 18:35 and reaches at 20:40. How long is the journey (in minutes)?
26. 26.Write 6:40 a.m. in 24-hour time. (a) 08:40 (b) 06:40 (c) 18:40
27. 27.A film is 4 hours 45 minutes long. How many minutes is that?
28. 28.What is 16:00 in 12-hour time? (a) 4:00 a.m. (b) 6:00 p.m. (c) 4:00 p.m.
29. 29.Write 7:10 p.m. in 24-hour time. (a) 21:10 (b) 19:10 (c) 07:10
30. 30.Write 8:25 a.m. in 24-hour time. (a) 08:25 (b) 10:25 (c) 20:25
31. 31.How many hours are there from 07:00 to 11:00?
32. 32.A train leaves at 16:35 and reaches at 18:55. How long is the journey (in minutes)?
33. 33.A train leaves at 13:20 and reaches at 13:55. How long is the journey (in minutes)?
34. 34.A train leaves at 18:50 and reaches at 19:30. How long is the journey (in minutes)?
35. 35.A film is 1 hour 55 minutes long. How many minutes is that?
36. 36.A match starts at 14:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 15:10 (b) 17:10 (c) 16:10
37. 37.A match starts at 06:10 and lasts 1 hour 55 minutes. At what time does it end? (a) 08:05 (b) 09:05 (c) 07:05
38. 38.How many hours are there from 05:00 to 23:00?
39. 39.Write 2:25 a.m. in 24-hour time. (a) 14:25 (b) 04:25 (c) 02:25
40. 40.A match starts at 17:05 and lasts 3 hours 30 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 19:35

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets