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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 629 · 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.How many hours are there from 05:00 to 18:00?
  2. 2.What is 01:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 a.m.
  3. 3.A film is 2 hours 10 minutes long. How many minutes is that?
  4. 4.A film is 2 hours 20 minutes long. How many minutes is that?
  5. 5.Write 10:25 a.m. in 24-hour time. (a) 10:25 (b) 22:25 (c) 12:25
  6. 6.How many hours are there from 09:00 to 19:00?
  7. 7.A train leaves at 12:15 and reaches at 13:20. How long is the journey (in minutes)?
  8. 8.A film is 4 hours 55 minutes long. How many minutes is that?
  9. 9.How many hours are there from 06:00 to 23:00?
  10. 10.How many hours are there from 09:00 to 16:00?
  11. 11.How many hours are there from 09:00 to 18:00?
  12. 12.Write 6:55 a.m. in 24-hour time. (a) 18:55 (b) 08:55 (c) 06:55
  13. 13.A match starts at 10:30 and lasts 1 hour. At what time does it end? (a) 11:30 (b) 10:30 (c) 12:30
  14. 14.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 p.m. (c) 2:40 a.m.
  15. 15.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 2:20 p.m. (c) 4:20 p.m.
  16. 16.How many hours are there from 08:00 to 21:00?
  17. 17.Write 3:55 p.m. in 24-hour time. (a) 17:55 (b) 03:55 (c) 15:55
  18. 18.How many hours are there from 05:00 to 19:00?
  19. 19.Write 7:05 p.m. in 24-hour time. (a) 21:05 (b) 19:05 (c) 07:05
  20. 20.What is 21:25 in 12-hour time? (a) 9:25 p.m. (b) 9:25 a.m. (c) 11:25 p.m.
  21. 21.What is 19:25 in 12-hour time? (a) 7:25 a.m. (b) 9:25 p.m. (c) 7:25 p.m.
  22. 22.Write 10:45 a.m. in 24-hour time. (a) 10:45 (b) 12:45 (c) 22:45
  23. 23.How many hours are there from 11:00 to 18:00?
  24. 24.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 p.m. (c) 6:30 a.m.
  25. 25.A train leaves at 11:30 and reaches at 13:55. How long is the journey (in minutes)?
  26. 26.A train leaves at 07:00 and reaches at 08:10. How long is the journey (in minutes)?
  27. 27.Write 11:50 p.m. in 24-hour time. (a) 01:50 (b) 11:50 (c) 23:50
  28. 28.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 05:40 (c) 15:40
  29. 29.What is 11:25 in 12-hour time? (a) 11:25 a.m. (b) 1:25 a.m. (c) 11:25 p.m.
  30. 30.How many hours are there from 09:00 to 11:00?
  31. 31.Write 5:50 a.m. in 24-hour time. (a) 05:50 (b) 17:50 (c) 07:50
  32. 32.A match starts at 13:30 and lasts 1 hour. At what time does it end? (a) 13:30 (b) 15:30 (c) 14:30
  33. 33.A train leaves at 13:10 and reaches at 13:40. How long is the journey (in minutes)?
  34. 34.A match starts at 10:00 and lasts 4 hours 35 minutes. At what time does it end? (a) 14:35 (b) 13:35 (c) 15:35
  35. 35.A film is 4 hours 25 minutes long. How many minutes is that?
  36. 36.What is 03:20 in 12-hour time? (a) 3:20 p.m. (b) 5:20 a.m. (c) 3:20 a.m.
  37. 37.Write 4:30 p.m. in 24-hour time. (a) 16:30 (b) 04:30 (c) 18:30
  38. 38.A film is 1 hour 5 minutes long. How many minutes is that?
  39. 39.Write 1:05 p.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 15:05
  40. 40.Write 9:15 p.m. in 24-hour time. (a) 09:15 (b) 21:15 (c) 23:15

Answer key

  1. 13
  2. 1:05 a.m.
  3. 130
  4. 140
  5. 10:25
  6. 10
  7. 65
  8. 295
  9. 17
  10. 7
  11. 9
  12. 06:55
  13. 11:30
  14. 2:40 a.m.
  15. 2:20 p.m.
  16. 13
  17. 15:55
  18. 14
  19. 19:05
  20. 9:25 p.m.
  21. 7:25 p.m.
  22. 10:45
  23. 7
  24. 6:30 a.m.
  25. 145
  26. 70
  27. 23:50
  28. 03:40
  29. 11:25 a.m.
  30. 2
  31. 05:50
  32. 14:30
  33. 30
  34. 14:35
  35. 265
  36. 3:20 a.m.
  37. 16:30
  38. 65
  39. 13:05
  40. 21:15

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