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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 162 · 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 08:10 in 12-hour time? (a) 10:10 a.m. (b) 8:10 p.m. (c) 8:10 a.m.
  2. 2.What is 09:35 in 12-hour time? (a) 9:35 p.m. (b) 9:35 a.m. (c) 11:35 a.m.
  3. 3.Write 5:30 p.m. in 24-hour time. (a) 05:30 (b) 17:30 (c) 19:30
  4. 4.How many hours are there from 06:00 to 14:00?
  5. 5.A match starts at 14:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 15:45 (b) 14:45 (c) 16:45
  6. 6.A match starts at 14:45 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:55 (b) 15:55 (c) 17:55
  7. 7.Write 8:30 p.m. in 24-hour time. (a) 22:30 (b) 20:30 (c) 08:30
  8. 8.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 17:00
  9. 9.A train leaves at 18:40 and reaches at 20:25. How long is the journey (in minutes)?
  10. 10.Write 9:10 p.m. in 24-hour time. (a) 09:10 (b) 23:10 (c) 21:10
  11. 11.A train leaves at 16:15 and reaches at 18:45. How long is the journey (in minutes)?
  12. 12.A train leaves at 17:25 and reaches at 18:30. How long is the journey (in minutes)?
  13. 13.A match starts at 16:30 and lasts 3 hours 25 minutes. At what time does it end? (a) 18:55 (b) 20:55 (c) 19:55
  14. 14.A train leaves at 10:05 and reaches at 10:40. How long is the journey (in minutes)?
  15. 15.Write 11:05 p.m. in 24-hour time. (a) 23:05 (b) 11:05 (c) 01:05
  16. 16.A film is 4 hours 30 minutes long. How many minutes is that?
  17. 17.How many hours are there from 10:00 to 20:00?
  18. 18.A train leaves at 16:15 and reaches at 18:35. How long is the journey (in minutes)?
  19. 19.How many hours are there from 11:00 to 21:00?
  20. 20.A film is 1 hour 55 minutes long. How many minutes is that?
  21. 21.A film is 3 hours 40 minutes long. How many minutes is that?
  22. 22.A match starts at 06:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 07:25 (b) 08:25 (c) 06:25
  23. 23.Write 2:45 a.m. in 24-hour time. (a) 04:45 (b) 02:45 (c) 14:45
  24. 24.How many hours are there from 07:00 to 17:00?
  25. 25.A match starts at 09:05 and lasts 4 hours 30 minutes. At what time does it end? (a) 14:35 (b) 12:35 (c) 13:35
  26. 26.How many hours are there from 08:00 to 13:00?
  27. 27.A match starts at 13:20 and lasts 2 hours. At what time does it end? (a) 16:20 (b) 14:20 (c) 15:20
  28. 28.What is 10:15 in 12-hour time? (a) 10:15 a.m. (b) 10:15 p.m. (c) 12:15 a.m.
  29. 29.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 03:10 (c) 15:10
  30. 30.What is 20:30 in 12-hour time? (a) 8:30 p.m. (b) 8:30 a.m. (c) 10:30 p.m.
  31. 31.A film is 3 hours 55 minutes long. How many minutes is that?
  32. 32.How many hours are there from 11:00 to 16:00?
  33. 33.What is 06:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 a.m.
  34. 34.How many hours are there from 05:00 to 08:00?
  35. 35.Write 8:35 p.m. in 24-hour time. (a) 22:35 (b) 20:35 (c) 08:35
  36. 36.A train leaves at 18:30 and reaches at 19:45. How long is the journey (in minutes)?
  37. 37.Write 11:40 p.m. in 24-hour time. (a) 11:40 (b) 01:40 (c) 23:40
  38. 38.A match starts at 17:45 and lasts 3 hours 25 minutes. At what time does it end? (a) 22:10 (b) 21:10 (c) 20:10
  39. 39.How many hours are there from 06:00 to 17:00?
  40. 40.What is 17:35 in 12-hour time? (a) 5:35 p.m. (b) 5:35 a.m. (c) 7:35 p.m.

Answer key

  1. 8:10 a.m.
  2. 9:35 a.m.
  3. 17:30
  4. 8
  5. 15:45
  6. 16:55
  7. 20:30
  8. 15:00
  9. 105
  10. 21:10
  11. 150
  12. 65
  13. 19:55
  14. 35
  15. 23:05
  16. 270
  17. 10
  18. 140
  19. 10
  20. 115
  21. 220
  22. 07:25
  23. 02:45
  24. 10
  25. 13:35
  26. 5
  27. 15:20
  28. 10:15 a.m.
  29. 03:10
  30. 8:30 p.m.
  31. 235
  32. 5
  33. 6:05 a.m.
  34. 3
  35. 20:35
  36. 75
  37. 23:40
  38. 21:10
  39. 11
  40. 5:35 p.m.

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