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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 224 · 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.Write 3:55 p.m. in 24-hour time. (a) 15:55 (b) 17:55 (c) 03:55
  2. 2.Write 1:30 a.m. in 24-hour time. (a) 03:30 (b) 13:30 (c) 01:30
  3. 3.How many hours are there from 05:00 to 07:00?
  4. 4.A film is 1 hour 20 minutes long. How many minutes is that?
  5. 5.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 9:45 p.m. (c) 11:45 a.m.
  6. 6.How many hours are there from 09:00 to 18:00?
  7. 7.How many hours are there from 08:00 to 15:00?
  8. 8.What is 10:50 in 12-hour time? (a) 10:50 a.m. (b) 10:50 p.m. (c) 12:50 a.m.
  9. 9.What is 13:20 in 12-hour time? (a) 1:20 a.m. (b) 3:20 p.m. (c) 1:20 p.m.
  10. 10.How many hours are there from 10:00 to 16:00?
  11. 11.How many hours are there from 10:00 to 14:00?
  12. 12.Write 7:10 a.m. in 24-hour time. (a) 09:10 (b) 19:10 (c) 07:10
  13. 13.A film is 3 hours 25 minutes long. How many minutes is that?
  14. 14.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 p.m. (c) 8:05 a.m.
  15. 15.A match starts at 12:20 and lasts 3 hours 45 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 17:05
  16. 16.How many hours are there from 05:00 to 15:00?
  17. 17.Write 1:05 p.m. in 24-hour time. (a) 15:05 (b) 13:05 (c) 01:05
  18. 18.How many hours are there from 08:00 to 12:00?
  19. 19.How many hours are there from 05:00 to 20:00?
  20. 20.A match starts at 16:30 and lasts 4 hours 45 minutes. At what time does it end? (a) 22:15 (b) 20:15 (c) 21:15
  21. 21.How many hours are there from 06:00 to 16:00?
  22. 22.A match starts at 15:10 and lasts 3 hours 10 minutes. At what time does it end? (a) 19:20 (b) 17:20 (c) 18:20
  23. 23.A film is 3 hours 10 minutes long. How many minutes is that?
  24. 24.Write 4:35 a.m. in 24-hour time. (a) 06:35 (b) 16:35 (c) 04:35
  25. 25.Write 6:30 p.m. in 24-hour time. (a) 06:30 (b) 20:30 (c) 18:30
  26. 26.How many hours are there from 06:00 to 22:00?
  27. 27.A film is 3 hours 55 minutes long. How many minutes is that?
  28. 28.What is 14:10 in 12-hour time? (a) 2:10 a.m. (b) 4:10 p.m. (c) 2:10 p.m.
  29. 29.Write 4:50 p.m. in 24-hour time. (a) 16:50 (b) 18:50 (c) 04:50
  30. 30.How many hours are there from 12:00 to 16:00?
  31. 31.A film is 4 hours 15 minutes long. How many minutes is that?
  32. 32.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 6:00 a.m. (c) 4:00 a.m.
  33. 33.What is 01:40 in 12-hour time? (a) 3:40 a.m. (b) 1:40 p.m. (c) 1:40 a.m.
  34. 34.What is 22:55 in 12-hour time? (a) 12:55 p.m. (b) 10:55 a.m. (c) 10:55 p.m.
  35. 35.How many hours are there from 05:00 to 10:00?
  36. 36.Write 4:15 p.m. in 24-hour time. (a) 18:15 (b) 04:15 (c) 16:15
  37. 37.How many hours are there from 08:00 to 18:00?
  38. 38.Write 2:15 a.m. in 24-hour time. (a) 04:15 (b) 14:15 (c) 02:15
  39. 39.What is 04:10 in 12-hour time? (a) 6:10 a.m. (b) 4:10 a.m. (c) 4:10 p.m.
  40. 40.Write 11:20 a.m. in 24-hour time. (a) 13:20 (b) 11:20 (c) 23:20

Answer key

  1. 15:55
  2. 01:30
  3. 2
  4. 80
  5. 9:45 a.m.
  6. 9
  7. 7
  8. 10:50 a.m.
  9. 1:20 p.m.
  10. 6
  11. 4
  12. 07:10
  13. 205
  14. 8:05 p.m.
  15. 16:05
  16. 10
  17. 13:05
  18. 4
  19. 15
  20. 21:15
  21. 10
  22. 18:20
  23. 190
  24. 04:35
  25. 18:30
  26. 16
  27. 235
  28. 2:10 p.m.
  29. 16:50
  30. 4
  31. 255
  32. 4:00 a.m.
  33. 1:40 a.m.
  34. 10:55 p.m.
  35. 5
  36. 16:15
  37. 10
  38. 02:15
  39. 4:10 a.m.
  40. 11:20

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