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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 233 · 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.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 a.m. (c) 5:35 p.m.
  2. 2.A train leaves at 06:15 and reaches at 07:35. How long is the journey (in minutes)?
  3. 3.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 09:05 (c) 07:05
  4. 4.How many hours are there from 05:00 to 14:00?
  5. 5.Write 5:20 a.m. in 24-hour time. (a) 17:20 (b) 07:20 (c) 05:20
  6. 6.How many hours are there from 08:00 to 11:00?
  7. 7.How many hours are there from 10:00 to 15:00?
  8. 8.How many hours are there from 09:00 to 23:00?
  9. 9.How many hours are there from 09:00 to 20:00?
  10. 10.A film is 3 hours 20 minutes long. How many minutes is that?
  11. 11.A match starts at 17:00 and lasts 4 hours 15 minutes. At what time does it end? (a) 22:15 (b) 21:15 (c) 20:15
  12. 12.Write 10:50 p.m. in 24-hour time. (a) 00:50 (b) 22:50 (c) 10:50
  13. 13.How many hours are there from 08:00 to 12:00?
  14. 14.A film is 2 hours 35 minutes long. How many minutes is that?
  15. 15.How many hours are there from 07:00 to 21:00?
  16. 16.Write 7:50 a.m. in 24-hour time. (a) 07:50 (b) 19:50 (c) 09:50
  17. 17.How many hours are there from 06:00 to 12:00?
  18. 18.What is 08:25 in 12-hour time? (a) 8:25 p.m. (b) 10:25 a.m. (c) 8:25 a.m.
  19. 19.A train leaves at 06:10 and reaches at 08:20. How long is the journey (in minutes)?
  20. 20.A train leaves at 19:20 and reaches at 20:20. How long is the journey (in minutes)?
  21. 21.What is 20:20 in 12-hour time? (a) 10:20 p.m. (b) 8:20 a.m. (c) 8:20 p.m.
  22. 22.Write 6:10 p.m. in 24-hour time. (a) 18:10 (b) 20:10 (c) 06:10
  23. 23.A match starts at 10:10 and lasts 4 hours 30 minutes. At what time does it end? (a) 13:40 (b) 14:40 (c) 15:40
  24. 24.What is 19:15 in 12-hour time? (a) 7:15 p.m. (b) 9:15 p.m. (c) 7:15 a.m.
  25. 25.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 05:45 (c) 03:45
  26. 26.A train leaves at 09:50 and reaches at 12:05. How long is the journey (in minutes)?
  27. 27.A train leaves at 12:40 and reaches at 14:10. How long is the journey (in minutes)?
  28. 28.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 a.m. (c) 5:35 p.m.
  29. 29.What is 02:20 in 12-hour time? (a) 2:20 p.m. (b) 2:20 a.m. (c) 4:20 a.m.
  30. 30.How many hours are there from 07:00 to 22:00?
  31. 31.Write 7:45 p.m. in 24-hour time. (a) 21:45 (b) 19:45 (c) 07:45
  32. 32.Write 6:40 a.m. in 24-hour time. (a) 18:40 (b) 08:40 (c) 06:40
  33. 33.A film is 1 hour 5 minutes long. How many minutes is that?
  34. 34.Write 8:30 a.m. in 24-hour time. (a) 08:30 (b) 20:30 (c) 10:30
  35. 35.A train leaves at 15:20 and reaches at 18:25. How long is the journey (in minutes)?
  36. 36.How many hours are there from 09:00 to 13:00?
  37. 37.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 16:40 (c) 04:40
  38. 38.A film is 3 hours 50 minutes long. How many minutes is that?
  39. 39.A film is 3 hours 45 minutes long. How many minutes is that?
  40. 40.A train leaves at 10:25 and reaches at 12:40. How long is the journey (in minutes)?

Answer key

  1. 5:35 a.m.
  2. 80
  3. 07:05
  4. 9
  5. 05:20
  6. 3
  7. 5
  8. 14
  9. 11
  10. 200
  11. 21:15
  12. 22:50
  13. 4
  14. 155
  15. 14
  16. 07:50
  17. 6
  18. 8:25 a.m.
  19. 130
  20. 60
  21. 8:20 p.m.
  22. 18:10
  23. 14:40
  24. 7:15 p.m.
  25. 03:45
  26. 135
  27. 90
  28. 5:35 p.m.
  29. 2:20 a.m.
  30. 15
  31. 19:45
  32. 06:40
  33. 65
  34. 08:30
  35. 185
  36. 4
  37. 04:40
  38. 230
  39. 225
  40. 135

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