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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 219 · 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 3:30 p.m. in 24-hour time. (a) 17:30 (b) 03:30 (c) 15:30
  2. 2.A film is 4 hours 40 minutes long. How many minutes is that?
  3. 3.Write 3:00 a.m. in 24-hour time. (a) 05:00 (b) 03:00 (c) 15:00
  4. 4.How many hours are there from 06:00 to 22:00?
  5. 5.Write 8:05 a.m. in 24-hour time. (a) 08:05 (b) 10:05 (c) 20:05
  6. 6.How many hours are there from 11:00 to 17:00?
  7. 7.What is 05:50 in 12-hour time? (a) 7:50 a.m. (b) 5:50 a.m. (c) 5:50 p.m.
  8. 8.What is 01:30 in 12-hour time? (a) 1:30 a.m. (b) 3:30 a.m. (c) 1:30 p.m.
  9. 9.A film is 1 hour 45 minutes long. How many minutes is that?
  10. 10.What is 11:00 in 12-hour time? (a) 11:00 a.m. (b) 1:00 a.m. (c) 11:00 p.m.
  11. 11.A train leaves at 18:20 and reaches at 21:40. How long is the journey (in minutes)?
  12. 12.A train leaves at 14:40 and reaches at 17:05. How long is the journey (in minutes)?
  13. 13.A film is 1 hour 30 minutes long. How many minutes is that?
  14. 14.A train leaves at 12:10 and reaches at 13:25. How long is the journey (in minutes)?
  15. 15.A film is 4 hours 20 minutes long. How many minutes is that?
  16. 16.A train leaves at 18:00 and reaches at 19:10. How long is the journey (in minutes)?
  17. 17.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 a.m. (c) 2:40 p.m.
  18. 18.What is 11:30 in 12-hour time? (a) 11:30 p.m. (b) 11:30 a.m. (c) 1:30 a.m.
  19. 19.What is 23:50 in 12-hour time? (a) 11:50 a.m. (b) 1:50 p.m. (c) 11:50 p.m.
  20. 20.How many hours are there from 10:00 to 16:00?
  21. 21.What is 06:20 in 12-hour time? (a) 6:20 a.m. (b) 6:20 p.m. (c) 8:20 a.m.
  22. 22.Write 10:45 p.m. in 24-hour time. (a) 10:45 (b) 22:45 (c) 00:45
  23. 23.A train leaves at 07:55 and reaches at 10:55. How long is the journey (in minutes)?
  24. 24.A film is 1 hour 50 minutes long. How many minutes is that?
  25. 25.A train leaves at 06:20 and reaches at 09:30. How long is the journey (in minutes)?
  26. 26.What is 18:00 in 12-hour time? (a) 8:00 p.m. (b) 6:00 p.m. (c) 6:00 a.m.
  27. 27.How many hours are there from 11:00 to 20:00?
  28. 28.A train leaves at 07:45 and reaches at 10:35. How long is the journey (in minutes)?
  29. 29.A train leaves at 08:10 and reaches at 08:40. How long is the journey (in minutes)?
  30. 30.Write 5:10 a.m. in 24-hour time. (a) 07:10 (b) 05:10 (c) 17:10
  31. 31.How many hours are there from 05:00 to 15:00?
  32. 32.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 3:40 a.m. (c) 1:40 a.m.
  33. 33.What is 03:30 in 12-hour time? (a) 5:30 a.m. (b) 3:30 a.m. (c) 3:30 p.m.
  34. 34.A match starts at 17:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 18:10 (b) 20:10 (c) 19:10
  35. 35.A match starts at 18:00 and lasts 3 hours 15 minutes. At what time does it end? (a) 22:15 (b) 20:15 (c) 21:15
  36. 36.How many hours are there from 10:00 to 23:00?
  37. 37.A match starts at 13:30 and lasts 4 hours 15 minutes. At what time does it end? (a) 16:45 (b) 17:45 (c) 18:45
  38. 38.What is 22:45 in 12-hour time? (a) 10:45 a.m. (b) 12:45 p.m. (c) 10:45 p.m.
  39. 39.What is 06:10 in 12-hour time? (a) 8:10 a.m. (b) 6:10 a.m. (c) 6:10 p.m.
  40. 40.A film is 2 hours 30 minutes long. How many minutes is that?

Answer key

  1. 15:30
  2. 280
  3. 03:00
  4. 16
  5. 08:05
  6. 6
  7. 5:50 a.m.
  8. 1:30 a.m.
  9. 105
  10. 11:00 a.m.
  11. 200
  12. 145
  13. 90
  14. 75
  15. 260
  16. 70
  17. 2:40 a.m.
  18. 11:30 a.m.
  19. 11:50 p.m.
  20. 6
  21. 6:20 a.m.
  22. 22:45
  23. 180
  24. 110
  25. 190
  26. 6:00 p.m.
  27. 9
  28. 170
  29. 30
  30. 05:10
  31. 10
  32. 1:40 a.m.
  33. 3:30 a.m.
  34. 19:10
  35. 21:15
  36. 13
  37. 17:45
  38. 10:45 p.m.
  39. 6:10 a.m.
  40. 150

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