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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 275 · 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.A film is 4 hours 20 minutes long. How many minutes is that?
  2. 2.A match starts at 17:25 and lasts 3 hours. At what time does it end? (a) 19:25 (b) 21:25 (c) 20:25
  3. 3.What is 01:20 in 12-hour time? (a) 3:20 a.m. (b) 1:20 a.m. (c) 1:20 p.m.
  4. 4.A train leaves at 18:30 and reaches at 20:55. How long is the journey (in minutes)?
  5. 5.A train leaves at 09:25 and reaches at 10:15. How long is the journey (in minutes)?
  6. 6.A match starts at 10:05 and lasts 1 hour 10 minutes. At what time does it end? (a) 11:15 (b) 10:15 (c) 12:15
  7. 7.What is 18:45 in 12-hour time? (a) 6:45 p.m. (b) 6:45 a.m. (c) 8:45 p.m.
  8. 8.What is 11:55 in 12-hour time? (a) 11:55 p.m. (b) 1:55 a.m. (c) 11:55 a.m.
  9. 9.A film is 3 hours 45 minutes long. How many minutes is that?
  10. 10.What is 08:45 in 12-hour time? (a) 8:45 p.m. (b) 8:45 a.m. (c) 10:45 a.m.
  11. 11.How many hours are there from 05:00 to 09:00?
  12. 12.What is 08:30 in 12-hour time? (a) 10:30 a.m. (b) 8:30 a.m. (c) 8:30 p.m.
  13. 13.A train leaves at 13:05 and reaches at 15:30. How long is the journey (in minutes)?
  14. 14.Write 5:20 p.m. in 24-hour time. (a) 05:20 (b) 19:20 (c) 17:20
  15. 15.How many hours are there from 12:00 to 18:00?
  16. 16.How many hours are there from 06:00 to 15:00?
  17. 17.How many hours are there from 07:00 to 23:00?
  18. 18.A train leaves at 07:10 and reaches at 10:10. How long is the journey (in minutes)?
  19. 19.What is 22:20 in 12-hour time? (a) 12:20 p.m. (b) 10:20 p.m. (c) 10:20 a.m.
  20. 20.What is 17:00 in 12-hour time? (a) 5:00 p.m. (b) 5:00 a.m. (c) 7:00 p.m.
  21. 21.How many hours are there from 11:00 to 13:00?
  22. 22.A train leaves at 18:00 and reaches at 20:35. How long is the journey (in minutes)?
  23. 23.A film is 4 hours 55 minutes long. How many minutes is that?
  24. 24.A film is 3 hours 30 minutes long. How many minutes is that?
  25. 25.A film is 1 hour 10 minutes long. How many minutes is that?
  26. 26.A film is 2 hours 40 minutes long. How many minutes is that?
  27. 27.Write 2:05 p.m. in 24-hour time. (a) 14:05 (b) 02:05 (c) 16:05
  28. 28.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 04:50 (c) 02:50
  29. 29.A film is 3 hours 15 minutes long. How many minutes is that?
  30. 30.Write 6:55 a.m. in 24-hour time. (a) 06:55 (b) 18:55 (c) 08:55
  31. 31.How many hours are there from 12:00 to 23:00?
  32. 32.A train leaves at 13:35 and reaches at 14:05. How long is the journey (in minutes)?
  33. 33.How many hours are there from 05:00 to 07:00?
  34. 34.A match starts at 07:10 and lasts 4 hours 55 minutes. At what time does it end? (a) 11:05 (b) 13:05 (c) 12:05
  35. 35.How many hours are there from 10:00 to 15:00?
  36. 36.A film is 1 hour 25 minutes long. How many minutes is that?
  37. 37.A film is 1 hour 30 minutes long. How many minutes is that?
  38. 38.A film is 3 hours 10 minutes long. How many minutes is that?
  39. 39.How many hours are there from 07:00 to 11:00?
  40. 40.How many hours are there from 06:00 to 12:00?

Answer key

  1. 260
  2. 20:25
  3. 1:20 a.m.
  4. 145
  5. 50
  6. 11:15
  7. 6:45 p.m.
  8. 11:55 a.m.
  9. 225
  10. 8:45 a.m.
  11. 4
  12. 8:30 a.m.
  13. 145
  14. 17:20
  15. 6
  16. 9
  17. 16
  18. 180
  19. 10:20 p.m.
  20. 5:00 p.m.
  21. 2
  22. 155
  23. 295
  24. 210
  25. 70
  26. 160
  27. 14:05
  28. 02:50
  29. 195
  30. 06:55
  31. 11
  32. 30
  33. 2
  34. 12:05
  35. 5
  36. 85
  37. 90
  38. 190
  39. 4
  40. 6

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