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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 669 · 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.How many hours are there from 12:00 to 15:00?
  2. 2.Write 3:30 a.m. in 24-hour time. (a) 05:30 (b) 03:30 (c) 15:30
  3. 3.A film is 4 hours 40 minutes long. How many minutes is that?
  4. 4.How many hours are there from 12:00 to 19:00?
  5. 5.How many hours are there from 07:00 to 16:00?
  6. 6.How many hours are there from 09:00 to 15:00?
  7. 7.Write 5:00 p.m. in 24-hour time. (a) 05:00 (b) 19:00 (c) 17:00
  8. 8.How many hours are there from 10:00 to 20:00?
  9. 9.A film is 3 hours 20 minutes long. How many minutes is that?
  10. 10.A film is 3 hours 10 minutes long. How many minutes is that?
  11. 11.A film is 4 hours 50 minutes long. How many minutes is that?
  12. 12.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 11:40 p.m. (c) 9:40 p.m.
  13. 13.A film is 4 hours 5 minutes long. How many minutes is that?
  14. 14.A film is 2 hours 25 minutes long. How many minutes is that?
  15. 15.How many hours are there from 05:00 to 18:00?
  16. 16.What is 11:55 in 12-hour time? (a) 11:55 a.m. (b) 1:55 a.m. (c) 11:55 p.m.
  17. 17.A match starts at 15:20 and lasts 1 hour 35 minutes. At what time does it end? (a) 17:55 (b) 15:55 (c) 16:55
  18. 18.How many hours are there from 11:00 to 19:00?
  19. 19.A film is 1 hour 30 minutes long. How many minutes is that?
  20. 20.How many hours are there from 05:00 to 22:00?
  21. 21.What is 02:35 in 12-hour time? (a) 2:35 a.m. (b) 4:35 a.m. (c) 2:35 p.m.
  22. 22.A film is 2 hours 30 minutes long. How many minutes is that?
  23. 23.A match starts at 18:05 and lasts 4 hours 25 minutes. At what time does it end? (a) 21:30 (b) 23:30 (c) 22:30
  24. 24.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 12:40 a.m. (c) 10:40 a.m.
  25. 25.A train leaves at 13:15 and reaches at 15:00. How long is the journey (in minutes)?
  26. 26.Write 2:20 p.m. in 24-hour time. (a) 02:20 (b) 16:20 (c) 14:20
  27. 27.What is 01:15 in 12-hour time? (a) 3:15 a.m. (b) 1:15 p.m. (c) 1:15 a.m.
  28. 28.What is 23:55 in 12-hour time? (a) 11:55 a.m. (b) 1:55 p.m. (c) 11:55 p.m.
  29. 29.A film is 2 hours 20 minutes long. How many minutes is that?
  30. 30.A match starts at 13:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 15:20 (b) 14:20 (c) 16:20
  31. 31.What is 07:20 in 12-hour time? (a) 9:20 a.m. (b) 7:20 p.m. (c) 7:20 a.m.
  32. 32.What is 14:50 in 12-hour time? (a) 2:50 a.m. (b) 4:50 p.m. (c) 2:50 p.m.
  33. 33.A match starts at 09:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 11:10 (b) 10:10 (c) 09:10
  34. 34.Write 7:00 a.m. in 24-hour time. (a) 07:00 (b) 09:00 (c) 19:00
  35. 35.A film is 4 hours 55 minutes long. How many minutes is that?
  36. 36.What is 13:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 p.m.
  37. 37.Write 5:15 a.m. in 24-hour time. (a) 17:15 (b) 07:15 (c) 05:15
  38. 38.Write 10:45 a.m. in 24-hour time. (a) 10:45 (b) 12:45 (c) 22:45
  39. 39.How many hours are there from 07:00 to 17:00?
  40. 40.A match starts at 18:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 20:50 (b) 19:50 (c) 18:50

Answer key

  1. 3
  2. 03:30
  3. 280
  4. 7
  5. 9
  6. 6
  7. 17:00
  8. 10
  9. 200
  10. 190
  11. 290
  12. 9:40 p.m.
  13. 245
  14. 145
  15. 13
  16. 11:55 a.m.
  17. 16:55
  18. 8
  19. 90
  20. 17
  21. 2:35 a.m.
  22. 150
  23. 22:30
  24. 10:40 a.m.
  25. 105
  26. 14:20
  27. 1:15 a.m.
  28. 11:55 p.m.
  29. 140
  30. 15:20
  31. 7:20 a.m.
  32. 2:50 p.m.
  33. 10:10
  34. 07:00
  35. 295
  36. 1:00 p.m.
  37. 05:15
  38. 10:45
  39. 10
  40. 19:50

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