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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 755 · 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 09:00 to 12:00?
  2. 2.A match starts at 11:50 and lasts 1 hour 55 minutes. At what time does it end? (a) 14:45 (b) 12:45 (c) 13:45
  3. 3.A film is 1 hour 25 minutes long. How many minutes is that?
  4. 4.A match starts at 14:25 and lasts 1 hour 40 minutes. At what time does it end? (a) 16:05 (b) 15:05 (c) 17:05
  5. 5.How many hours are there from 12:00 to 18:00?
  6. 6.How many hours are there from 07:00 to 09:00?
  7. 7.Write 9:40 a.m. in 24-hour time. (a) 21:40 (b) 09:40 (c) 11:40
  8. 8.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 3:40 a.m. (c) 1:40 a.m.
  9. 9.A film is 2 hours 35 minutes long. How many minutes is that?
  10. 10.Write 11:05 a.m. in 24-hour time. (a) 23:05 (b) 13:05 (c) 11:05
  11. 11.Write 3:20 p.m. in 24-hour time. (a) 03:20 (b) 17:20 (c) 15:20
  12. 12.What is 08:35 in 12-hour time? (a) 8:35 a.m. (b) 10:35 a.m. (c) 8:35 p.m.
  13. 13.What is 04:45 in 12-hour time? (a) 6:45 a.m. (b) 4:45 p.m. (c) 4:45 a.m.
  14. 14.What is 15:40 in 12-hour time? (a) 5:40 p.m. (b) 3:40 a.m. (c) 3:40 p.m.
  15. 15.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 a.m. (c) 2:25 p.m.
  16. 16.A film is 2 hours 5 minutes long. How many minutes is that?
  17. 17.Write 10:55 a.m. in 24-hour time. (a) 12:55 (b) 22:55 (c) 10:55
  18. 18.How many hours are there from 09:00 to 11:00?
  19. 19.What is 09:00 in 12-hour time? (a) 11:00 a.m. (b) 9:00 a.m. (c) 9:00 p.m.
  20. 20.A train leaves at 13:35 and reaches at 16:10. How long is the journey (in minutes)?
  21. 21.Write 5:50 p.m. in 24-hour time. (a) 19:50 (b) 05:50 (c) 17:50
  22. 22.A match starts at 17:50 and lasts 3 hours 45 minutes. At what time does it end? (a) 22:35 (b) 20:35 (c) 21:35
  23. 23.What is 19:15 in 12-hour time? (a) 7:15 p.m. (b) 9:15 p.m. (c) 7:15 a.m.
  24. 24.A film is 3 hours 35 minutes long. How many minutes is that?
  25. 25.What is 14:45 in 12-hour time? (a) 2:45 a.m. (b) 2:45 p.m. (c) 4:45 p.m.
  26. 26.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 p.m.
  27. 27.What is 09:05 in 12-hour time? (a) 9:05 a.m. (b) 9:05 p.m. (c) 11:05 a.m.
  28. 28.A film is 2 hours 25 minutes long. How many minutes is that?
  29. 29.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 3:00 p.m. (c) 5:00 p.m.
  30. 30.A match starts at 08:30 and lasts 3 hours 25 minutes. At what time does it end? (a) 10:55 (b) 11:55 (c) 12:55
  31. 31.A match starts at 08:35 and lasts 3 hours 5 minutes. At what time does it end? (a) 11:40 (b) 12:40 (c) 10:40
  32. 32.How many hours are there from 05:00 to 16:00?
  33. 33.A film is 4 hours 5 minutes long. How many minutes is that?
  34. 34.A match starts at 15:50 and lasts 1 hour 45 minutes. At what time does it end? (a) 17:35 (b) 18:35 (c) 16:35
  35. 35.A train leaves at 07:50 and reaches at 09:50. How long is the journey (in minutes)?
  36. 36.A match starts at 17:15 and lasts 1 hour 50 minutes. At what time does it end? (a) 20:05 (b) 19:05 (c) 18:05
  37. 37.How many hours are there from 05:00 to 15:00?
  38. 38.A match starts at 18:50 and lasts 3 hours 50 minutes. At what time does it end? (a) 21:40 (b) 22:40 (c) 23:40
  39. 39.A match starts at 15:35 and lasts 4 hours 45 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 21:20
  40. 40.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 04:35 (c) 02:35

Answer key

  1. 3
  2. 13:45
  3. 85
  4. 16:05
  5. 6
  6. 2
  7. 09:40
  8. 1:40 a.m.
  9. 155
  10. 11:05
  11. 15:20
  12. 8:35 a.m.
  13. 4:45 a.m.
  14. 3:40 p.m.
  15. 2:25 a.m.
  16. 125
  17. 10:55
  18. 2
  19. 9:00 a.m.
  20. 155
  21. 17:50
  22. 21:35
  23. 7:15 p.m.
  24. 215
  25. 2:45 p.m.
  26. 2:05 p.m.
  27. 9:05 a.m.
  28. 145
  29. 3:00 p.m.
  30. 11:55
  31. 11:40
  32. 11
  33. 245
  34. 17:35
  35. 120
  36. 19:05
  37. 10
  38. 22:40
  39. 20:20
  40. 02:35

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