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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 883 · 40 sums
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.What is 17:05 in 12-hour time? (a) 5:05 a.m. (b) 7:05 p.m. (c) 5:05 p.m.
  2. 2.A film is 3 hours 15 minutes long. How many minutes is that?
  3. 3.What is 05:50 in 12-hour time? (a) 5:50 p.m. (b) 5:50 a.m. (c) 7:50 a.m.
  4. 4.A film is 4 hours 40 minutes long. How many minutes is that?
  5. 5.What is 14:10 in 12-hour time? (a) 4:10 p.m. (b) 2:10 a.m. (c) 2:10 p.m.
  6. 6.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 15:10 (c) 03:10
  7. 7.Write 1:15 p.m. in 24-hour time. (a) 01:15 (b) 13:15 (c) 15:15
  8. 8.What is 14:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 p.m. (c) 2:35 a.m.
  9. 9.How many hours are there from 10:00 to 21:00?
  10. 10.Write 6:30 p.m. in 24-hour time. (a) 06:30 (b) 18:30 (c) 20:30
  11. 11.Write 2:55 a.m. in 24-hour time. (a) 14:55 (b) 02:55 (c) 04:55
  12. 12.A film is 1 hour 45 minutes long. How many minutes is that?
  13. 13.How many hours are there from 10:00 to 18:00?
  14. 14.Write 10:10 p.m. in 24-hour time. (a) 10:10 (b) 00:10 (c) 22:10
  15. 15.How many hours are there from 11:00 to 13:00?
  16. 16.How many hours are there from 05:00 to 07:00?
  17. 17.How many hours are there from 10:00 to 12:00?
  18. 18.A film is 1 hour 30 minutes long. How many minutes is that?
  19. 19.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 10:55 (c) 12:55
  20. 20.A train leaves at 14:05 and reaches at 15:30. How long is the journey (in minutes)?
  21. 21.A film is 4 hours 5 minutes long. How many minutes is that?
  22. 22.Write 7:30 a.m. in 24-hour time. (a) 07:30 (b) 19:30 (c) 09:30
  23. 23.Write 11:15 a.m. in 24-hour time. (a) 13:15 (b) 23:15 (c) 11:15
  24. 24.Write 8:20 p.m. in 24-hour time. (a) 22:20 (b) 08:20 (c) 20:20
  25. 25.Write 11:30 a.m. in 24-hour time. (a) 23:30 (b) 11:30 (c) 13:30
  26. 26.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10
  27. 27.How many hours are there from 12:00 to 16:00?
  28. 28.A film is 1 hour 10 minutes long. How many minutes is that?
  29. 29.A match starts at 09:50 and lasts 2 hours 25 minutes. At what time does it end? (a) 13:15 (b) 11:15 (c) 12:15
  30. 30.How many hours are there from 12:00 to 15:00?
  31. 31.What is 02:10 in 12-hour time? (a) 2:10 p.m. (b) 2:10 a.m. (c) 4:10 a.m.
  32. 32.A train leaves at 10:00 and reaches at 13:15. How long is the journey (in minutes)?
  33. 33.A match starts at 15:25 and lasts 2 hours. At what time does it end? (a) 17:25 (b) 16:25 (c) 18:25
  34. 34.How many hours are there from 11:00 to 17:00?
  35. 35.How many hours are there from 12:00 to 20:00?
  36. 36.A match starts at 06:25 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:35 (b) 06:35 (c) 07:35
  37. 37.What is 07:55 in 12-hour time? (a) 9:55 a.m. (b) 7:55 a.m. (c) 7:55 p.m.
  38. 38.How many hours are there from 06:00 to 08:00?
  39. 39.What is 10:55 in 12-hour time? (a) 10:55 a.m. (b) 10:55 p.m. (c) 12:55 a.m.
  40. 40.How many hours are there from 10:00 to 13:00?

Answer key

  1. 5:05 p.m.
  2. 195
  3. 5:50 a.m.
  4. 280
  5. 2:10 p.m.
  6. 15:10
  7. 13:15
  8. 2:35 p.m.
  9. 11
  10. 18:30
  11. 02:55
  12. 105
  13. 8
  14. 22:10
  15. 2
  16. 2
  17. 2
  18. 90
  19. 10:55
  20. 85
  21. 245
  22. 07:30
  23. 11:15
  24. 20:20
  25. 11:30
  26. 03:10
  27. 4
  28. 70
  29. 12:15
  30. 3
  31. 2:10 a.m.
  32. 195
  33. 17:25
  34. 6
  35. 8
  36. 07:35
  37. 7:55 a.m.
  38. 2
  39. 10:55 a.m.
  40. 3

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