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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 711 · 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 9:40 a.m. in 24-hour time. (a) 09:40 (b) 21:40 (c) 11:40
  2. 2.A match starts at 06:10 and lasts 4 hours 30 minutes. At what time does it end? (a) 11:40 (b) 10:40 (c) 09:40
  3. 3.Write 1:10 p.m. in 24-hour time. (a) 01:10 (b) 15:10 (c) 13:10
  4. 4.What is 19:10 in 12-hour time? (a) 9:10 p.m. (b) 7:10 a.m. (c) 7:10 p.m.
  5. 5.How many hours are there from 12:00 to 15:00?
  6. 6.How many hours are there from 09:00 to 12:00?
  7. 7.What is 07:00 in 12-hour time? (a) 7:00 p.m. (b) 7:00 a.m. (c) 9:00 a.m.
  8. 8.How many hours are there from 10:00 to 16:00?
  9. 9.A train leaves at 10:35 and reaches at 12:10. How long is the journey (in minutes)?
  10. 10.Write 11:40 a.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 13:40
  11. 11.What is 19:00 in 12-hour time? (a) 9:00 p.m. (b) 7:00 p.m. (c) 7:00 a.m.
  12. 12.Write 7:15 p.m. in 24-hour time. (a) 07:15 (b) 19:15 (c) 21:15
  13. 13.A train leaves at 12:20 and reaches at 14:20. How long is the journey (in minutes)?
  14. 14.Write 10:40 a.m. in 24-hour time. (a) 10:40 (b) 12:40 (c) 22:40
  15. 15.How many hours are there from 08:00 to 13:00?
  16. 16.How many hours are there from 07:00 to 22:00?
  17. 17.A film is 2 hours 15 minutes long. How many minutes is that?
  18. 18.Write 9:55 a.m. in 24-hour time. (a) 21:55 (b) 11:55 (c) 09:55
  19. 19.Write 5:25 a.m. in 24-hour time. (a) 05:25 (b) 17:25 (c) 07:25
  20. 20.A train leaves at 06:15 and reaches at 06:50. How long is the journey (in minutes)?
  21. 21.A film is 2 hours 25 minutes long. How many minutes is that?
  22. 22.What is 10:55 in 12-hour time? (a) 10:55 p.m. (b) 12:55 a.m. (c) 10:55 a.m.
  23. 23.A film is 4 hours 45 minutes long. How many minutes is that?
  24. 24.What is 09:45 in 12-hour time? (a) 11:45 a.m. (b) 9:45 a.m. (c) 9:45 p.m.
  25. 25.What is 22:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 p.m.
  26. 26.A train leaves at 10:40 and reaches at 12:05. How long is the journey (in minutes)?
  27. 27.How many hours are there from 09:00 to 19:00?
  28. 28.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 a.m.
  29. 29.Write 4:25 p.m. in 24-hour time. (a) 04:25 (b) 16:25 (c) 18:25
  30. 30.A film is 3 hours 5 minutes long. How many minutes is that?
  31. 31.How many hours are there from 07:00 to 23:00?
  32. 32.Write 6:50 a.m. in 24-hour time. (a) 18:50 (b) 06:50 (c) 08:50
  33. 33.Write 5:20 p.m. in 24-hour time. (a) 19:20 (b) 05:20 (c) 17:20
  34. 34.A train leaves at 14:40 and reaches at 16:20. How long is the journey (in minutes)?
  35. 35.A film is 3 hours 20 minutes long. How many minutes is that?
  36. 36.A film is 1 hour 50 minutes long. How many minutes is that?
  37. 37.A train leaves at 15:40 and reaches at 17:25. How long is the journey (in minutes)?
  38. 38.How many hours are there from 05:00 to 14:00?
  39. 39.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 11:10 (c) 23:10
  40. 40.A train leaves at 14:25 and reaches at 15:20. How long is the journey (in minutes)?

Answer key

  1. 09:40
  2. 10:40
  3. 13:10
  4. 7:10 p.m.
  5. 3
  6. 3
  7. 7:00 a.m.
  8. 6
  9. 95
  10. 11:40
  11. 7:00 p.m.
  12. 19:15
  13. 120
  14. 10:40
  15. 5
  16. 15
  17. 135
  18. 09:55
  19. 05:25
  20. 35
  21. 145
  22. 10:55 a.m.
  23. 285
  24. 9:45 a.m.
  25. 10:45 p.m.
  26. 85
  27. 10
  28. 8:55 a.m.
  29. 16:25
  30. 185
  31. 16
  32. 06:50
  33. 17:20
  34. 100
  35. 200
  36. 110
  37. 105
  38. 9
  39. 11:10
  40. 55

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