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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 81 · 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 09:05 in 12-hour time? (a) 9:05 p.m. (b) 11:05 a.m. (c) 9:05 a.m.
  2. 2.What is 13:15 in 12-hour time? (a) 3:15 p.m. (b) 1:15 a.m. (c) 1:15 p.m.
  3. 3.How many hours are there from 05:00 to 21:00?
  4. 4.A train leaves at 12:30 and reaches at 14:50. How long is the journey (in minutes)?
  5. 5.A film is 3 hours 35 minutes long. How many minutes is that?
  6. 6.Write 5:15 a.m. in 24-hour time. (a) 17:15 (b) 07:15 (c) 05:15
  7. 7.Write 10:20 p.m. in 24-hour time. (a) 00:20 (b) 10:20 (c) 22:20
  8. 8.Write 8:05 p.m. in 24-hour time. (a) 20:05 (b) 22:05 (c) 08:05
  9. 9.Write 3:20 p.m. in 24-hour time. (a) 03:20 (b) 17:20 (c) 15:20
  10. 10.A match starts at 09:50 and lasts 4 hours 50 minutes. At what time does it end? (a) 13:40 (b) 14:40 (c) 15:40
  11. 11.Write 6:25 p.m. in 24-hour time. (a) 18:25 (b) 20:25 (c) 06:25
  12. 12.Write 1:00 p.m. in 24-hour time. (a) 15:00 (b) 01:00 (c) 13:00
  13. 13.A film is 3 hours 10 minutes long. How many minutes is that?
  14. 14.How many hours are there from 10:00 to 12:00?
  15. 15.How many hours are there from 09:00 to 14:00?
  16. 16.A match starts at 18:20 and lasts 1 hour 40 minutes. At what time does it end? (a) 20:00 (b) 19:00 (c) 21:00
  17. 17.A film is 4 hours 25 minutes long. How many minutes is that?
  18. 18.Write 11:20 a.m. in 24-hour time. (a) 13:20 (b) 23:20 (c) 11:20
  19. 19.A match starts at 06:40 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:10 (b) 08:10 (c) 07:10
  20. 20.A film is 1 hour 40 minutes long. How many minutes is that?
  21. 21.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 4:20 p.m. (c) 2:20 p.m.
  22. 22.A film is 2 hours 50 minutes long. How many minutes is that?
  23. 23.How many hours are there from 12:00 to 14:00?
  24. 24.Write 7:10 a.m. in 24-hour time. (a) 19:10 (b) 07:10 (c) 09:10
  25. 25.What is 16:40 in 12-hour time? (a) 4:40 p.m. (b) 6:40 p.m. (c) 4:40 a.m.
  26. 26.What is 21:50 in 12-hour time? (a) 9:50 p.m. (b) 9:50 a.m. (c) 11:50 p.m.
  27. 27.A film is 2 hours 10 minutes long. How many minutes is that?
  28. 28.How many hours are there from 08:00 to 23:00?
  29. 29.What is 14:50 in 12-hour time? (a) 2:50 a.m. (b) 4:50 p.m. (c) 2:50 p.m.
  30. 30.Write 6:40 p.m. in 24-hour time. (a) 06:40 (b) 18:40 (c) 20:40
  31. 31.Write 3:40 p.m. in 24-hour time. (a) 15:40 (b) 17:40 (c) 03:40
  32. 32.A match starts at 12:55 and lasts 1 hour 20 minutes. At what time does it end? (a) 13:15 (b) 15:15 (c) 14:15
  33. 33.A train leaves at 10:20 and reaches at 12:55. How long is the journey (in minutes)?
  34. 34.A film is 4 hours 5 minutes long. How many minutes is that?
  35. 35.What is 22:35 in 12-hour time? (a) 10:35 a.m. (b) 12:35 p.m. (c) 10:35 p.m.
  36. 36.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 p.m. (c) 2:25 a.m.
  37. 37.What is 08:15 in 12-hour time? (a) 8:15 a.m. (b) 8:15 p.m. (c) 10:15 a.m.
  38. 38.A match starts at 09:55 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:15 (b) 14:15 (c) 13:15
  39. 39.What is 05:10 in 12-hour time? (a) 5:10 p.m. (b) 5:10 a.m. (c) 7:10 a.m.
  40. 40.What is 06:45 in 12-hour time? (a) 6:45 a.m. (b) 8:45 a.m. (c) 6:45 p.m.

Answer key

  1. 9:05 a.m.
  2. 1:15 p.m.
  3. 16
  4. 140
  5. 215
  6. 05:15
  7. 22:20
  8. 20:05
  9. 15:20
  10. 14:40
  11. 18:25
  12. 13:00
  13. 190
  14. 2
  15. 5
  16. 20:00
  17. 265
  18. 11:20
  19. 08:10
  20. 100
  21. 2:20 p.m.
  22. 170
  23. 2
  24. 07:10
  25. 4:40 p.m.
  26. 9:50 p.m.
  27. 130
  28. 15
  29. 2:50 p.m.
  30. 18:40
  31. 15:40
  32. 14:15
  33. 155
  34. 245
  35. 10:35 p.m.
  36. 2:25 p.m.
  37. 8:15 a.m.
  38. 14:15
  39. 5:10 a.m.
  40. 6:45 a.m.

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