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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 485 · 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 06:30 in 12-hour time? (a) 6:30 p.m. (b) 6:30 a.m. (c) 8:30 a.m.
  2. 2.A match starts at 18:15 and lasts 2 hours 45 minutes. At what time does it end? (a) 21:00 (b) 20:00 (c) 22:00
  3. 3.A match starts at 13:20 and lasts 2 hours 45 minutes. At what time does it end? (a) 16:05 (b) 17:05 (c) 15:05
  4. 4.A train leaves at 17:10 and reaches at 18:45. How long is the journey (in minutes)?
  5. 5.Write 6:35 p.m. in 24-hour time. (a) 18:35 (b) 20:35 (c) 06:35
  6. 6.A film is 2 hours 55 minutes long. How many minutes is that?
  7. 7.What is 14:15 in 12-hour time? (a) 2:15 a.m. (b) 4:15 p.m. (c) 2:15 p.m.
  8. 8.What is 11:20 in 12-hour time? (a) 11:20 p.m. (b) 1:20 a.m. (c) 11:20 a.m.
  9. 9.Write 1:40 a.m. in 24-hour time. (a) 01:40 (b) 13:40 (c) 03:40
  10. 10.What is 03:25 in 12-hour time? (a) 3:25 p.m. (b) 3:25 a.m. (c) 5:25 a.m.
  11. 11.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 a.m. (c) 5:40 p.m.
  12. 12.What is 02:30 in 12-hour time? (a) 4:30 a.m. (b) 2:30 p.m. (c) 2:30 a.m.
  13. 13.A train leaves at 07:40 and reaches at 09:10. How long is the journey (in minutes)?
  14. 14.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 05:05 (c) 07:05
  15. 15.A train leaves at 12:55 and reaches at 16:00. How long is the journey (in minutes)?
  16. 16.A train leaves at 08:10 and reaches at 09:10. How long is the journey (in minutes)?
  17. 17.A train leaves at 08:30 and reaches at 10:55. How long is the journey (in minutes)?
  18. 18.A train leaves at 09:25 and reaches at 10:30. How long is the journey (in minutes)?
  19. 19.A match starts at 12:30 and lasts 2 hours 50 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 14:20
  20. 20.What is 10:05 in 12-hour time? (a) 10:05 p.m. (b) 10:05 a.m. (c) 12:05 a.m.
  21. 21.How many hours are there from 06:00 to 08:00?
  22. 22.A film is 1 hour 15 minutes long. How many minutes is that?
  23. 23.A train leaves at 16:55 and reaches at 18:25. How long is the journey (in minutes)?
  24. 24.A film is 2 hours 50 minutes long. How many minutes is that?
  25. 25.Write 3:25 p.m. in 24-hour time. (a) 03:25 (b) 15:25 (c) 17:25
  26. 26.A match starts at 14:00 and lasts 4 hours 20 minutes. At what time does it end? (a) 18:20 (b) 19:20 (c) 17:20
  27. 27.Write 4:15 p.m. in 24-hour time. (a) 04:15 (b) 18:15 (c) 16:15
  28. 28.How many hours are there from 06:00 to 19:00?
  29. 29.Write 4:20 p.m. in 24-hour time. (a) 18:20 (b) 16:20 (c) 04:20
  30. 30.A train leaves at 10:50 and reaches at 11:30. How long is the journey (in minutes)?
  31. 31.A film is 3 hours 25 minutes long. How many minutes is that?
  32. 32.A match starts at 14:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 16:45 (b) 15:45 (c) 14:45
  33. 33.A film is 1 hour 10 minutes long. How many minutes is that?
  34. 34.A match starts at 14:40 and lasts 3 hours. At what time does it end? (a) 16:40 (b) 17:40 (c) 18:40
  35. 35.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 03:10 (c) 15:10
  36. 36.A train leaves at 13:05 and reaches at 14:10. How long is the journey (in minutes)?
  37. 37.A film is 4 hours 30 minutes long. How many minutes is that?
  38. 38.Write 11:20 p.m. in 24-hour time. (a) 01:20 (b) 23:20 (c) 11:20
  39. 39.A film is 4 hours 55 minutes long. How many minutes is that?
  40. 40.Write 2:45 p.m. in 24-hour time. (a) 14:45 (b) 02:45 (c) 16:45

Answer key

  1. 6:30 a.m.
  2. 21:00
  3. 16:05
  4. 95
  5. 18:35
  6. 175
  7. 2:15 p.m.
  8. 11:20 a.m.
  9. 01:40
  10. 3:25 a.m.
  11. 5:40 p.m.
  12. 2:30 a.m.
  13. 90
  14. 05:05
  15. 185
  16. 60
  17. 145
  18. 65
  19. 15:20
  20. 10:05 a.m.
  21. 2
  22. 75
  23. 90
  24. 170
  25. 15:25
  26. 18:20
  27. 16:15
  28. 13
  29. 16:20
  30. 40
  31. 205
  32. 15:45
  33. 70
  34. 17:40
  35. 03:10
  36. 65
  37. 270
  38. 23:20
  39. 295
  40. 14:45

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