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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 785 · 40 sums
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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.A film is 3 hours 5 minutes long. How many minutes is that?
  2. 2.A match starts at 14:15 and lasts 4 hours 15 minutes. At what time does it end? (a) 18:30 (b) 17:30 (c) 19:30
  3. 3.A train leaves at 17:30 and reaches at 18:50. How long is the journey (in minutes)?
  4. 4.What is 16:55 in 12-hour time? (a) 4:55 p.m. (b) 6:55 p.m. (c) 4:55 a.m.
  5. 5.How many hours are there from 10:00 to 17:00?
  6. 6.A train leaves at 09:35 and reaches at 12:55. How long is the journey (in minutes)?
  7. 7.Write 9:05 p.m. in 24-hour time. (a) 09:05 (b) 23:05 (c) 21:05
  8. 8.A film is 4 hours 5 minutes long. How many minutes is that?
  9. 9.A match starts at 16:45 and lasts 1 hour 55 minutes. At what time does it end? (a) 18:40 (b) 19:40 (c) 17:40
  10. 10.A film is 1 hour 50 minutes long. How many minutes is that?
  11. 11.How many hours are there from 07:00 to 20:00?
  12. 12.A match starts at 13:10 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 17:20
  13. 13.A film is 3 hours 15 minutes long. How many minutes is that?
  14. 14.Write 4:00 a.m. in 24-hour time. (a) 16:00 (b) 06:00 (c) 04:00
  15. 15.What is 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 p.m. (c) 1:10 a.m.
  16. 16.A train leaves at 10:20 and reaches at 12:45. How long is the journey (in minutes)?
  17. 17.Write 8:45 p.m. in 24-hour time. (a) 22:45 (b) 20:45 (c) 08:45
  18. 18.A train leaves at 16:55 and reaches at 19:45. How long is the journey (in minutes)?
  19. 19.A film is 2 hours 15 minutes long. How many minutes is that?
  20. 20.A film is 1 hour 15 minutes long. How many minutes is that?
  21. 21.A film is 1 hour 35 minutes long. How many minutes is that?
  22. 22.How many hours are there from 05:00 to 20:00?
  23. 23.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
  24. 24.A train leaves at 08:30 and reaches at 09:30. How long is the journey (in minutes)?
  25. 25.A film is 3 hours 25 minutes long. How many minutes is that?
  26. 26.What is 05:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 a.m.
  27. 27.What is 13:15 in 12-hour time? (a) 1:15 a.m. (b) 1:15 p.m. (c) 3:15 p.m.
  28. 28.A train leaves at 12:45 and reaches at 14:00. How long is the journey (in minutes)?
  29. 29.Write 9:30 a.m. in 24-hour time. (a) 21:30 (b) 09:30 (c) 11:30
  30. 30.A film is 3 hours 55 minutes long. How many minutes is that?
  31. 31.A train leaves at 10:25 and reaches at 11:15. How long is the journey (in minutes)?
  32. 32.A match starts at 07:55 and lasts 4 hours 30 minutes. At what time does it end? (a) 11:25 (b) 13:25 (c) 12:25
  33. 33.A train leaves at 14:45 and reaches at 17:05. How long is the journey (in minutes)?
  34. 34.How many hours are there from 11:00 to 20:00?
  35. 35.What is 20:15 in 12-hour time? (a) 8:15 a.m. (b) 10:15 p.m. (c) 8:15 p.m.
  36. 36.How many hours are there from 07:00 to 09:00?
  37. 37.A train leaves at 12:25 and reaches at 13:10. How long is the journey (in minutes)?
  38. 38.A match starts at 13:10 and lasts 2 hours 30 minutes. At what time does it end? (a) 14:40 (b) 15:40 (c) 16:40
  39. 39.How many hours are there from 10:00 to 13:00?
  40. 40.A train leaves at 16:45 and reaches at 17:10. How long is the journey (in minutes)?

Answer key

  1. 185
  2. 18:30
  3. 80
  4. 4:55 p.m.
  5. 7
  6. 200
  7. 21:05
  8. 245
  9. 18:40
  10. 110
  11. 13
  12. 16:20
  13. 195
  14. 04:00
  15. 1:10 p.m.
  16. 145
  17. 20:45
  18. 170
  19. 135
  20. 75
  21. 95
  22. 15
  23. 01:10
  24. 60
  25. 205
  26. 5:05 a.m.
  27. 1:15 p.m.
  28. 75
  29. 09:30
  30. 235
  31. 50
  32. 12:25
  33. 140
  34. 9
  35. 8:15 p.m.
  36. 2
  37. 45
  38. 15:40
  39. 3
  40. 25

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