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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 428 · 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 09:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 a.m. (c) 9:20 a.m.
  2. 2.Write 3:25 p.m. in 24-hour time. (a) 17:25 (b) 03:25 (c) 15:25
  3. 3.A film is 2 hours 40 minutes long. How many minutes is that?
  4. 4.Write 4:35 p.m. in 24-hour time. (a) 16:35 (b) 18:35 (c) 04:35
  5. 5.What is 17:05 in 12-hour time? (a) 5:05 a.m. (b) 7:05 p.m. (c) 5:05 p.m.
  6. 6.Write 7:20 a.m. in 24-hour time. (a) 09:20 (b) 19:20 (c) 07:20
  7. 7.How many hours are there from 12:00 to 17:00?
  8. 8.A film is 3 hours 50 minutes long. How many minutes is that?
  9. 9.What is 06:30 in 12-hour time? (a) 6:30 a.m. (b) 6:30 p.m. (c) 8:30 a.m.
  10. 10.What is 04:30 in 12-hour time? (a) 6:30 a.m. (b) 4:30 p.m. (c) 4:30 a.m.
  11. 11.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 07:15
  12. 12.A train leaves at 14:25 and reaches at 15:05. How long is the journey (in minutes)?
  13. 13.Write 3:50 a.m. in 24-hour time. (a) 15:50 (b) 05:50 (c) 03:50
  14. 14.How many hours are there from 11:00 to 13:00?
  15. 15.How many hours are there from 11:00 to 17:00?
  16. 16.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 20:20 (c) 10:20
  17. 17.How many hours are there from 09:00 to 18:00?
  18. 18.Write 6:30 p.m. in 24-hour time. (a) 06:30 (b) 20:30 (c) 18:30
  19. 19.Write 8:30 a.m. in 24-hour time. (a) 08:30 (b) 20:30 (c) 10:30
  20. 20.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 16:10 (c) 04:10
  21. 21.Write 5:30 p.m. in 24-hour time. (a) 17:30 (b) 05:30 (c) 19:30
  22. 22.A match starts at 12:50 and lasts 3 hours 50 minutes. At what time does it end? (a) 15:40 (b) 17:40 (c) 16:40
  23. 23.A match starts at 08:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 10:30 (b) 09:30 (c) 11:30
  24. 24.How many hours are there from 12:00 to 14:00?
  25. 25.A train leaves at 16:10 and reaches at 17:15. How long is the journey (in minutes)?
  26. 26.A match starts at 07:30 and lasts 3 hours 35 minutes. At what time does it end? (a) 10:05 (b) 11:05 (c) 12:05
  27. 27.A train leaves at 06:55 and reaches at 08:55. How long is the journey (in minutes)?
  28. 28.A match starts at 09:15 and lasts 4 hours 45 minutes. At what time does it end? (a) 14:00 (b) 15:00 (c) 13:00
  29. 29.A match starts at 17:15 and lasts 3 hours 50 minutes. At what time does it end? (a) 20:05 (b) 21:05 (c) 22:05
  30. 30.A match starts at 13:05 and lasts 4 hours 5 minutes. At what time does it end? (a) 17:10 (b) 18:10 (c) 16:10
  31. 31.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 06:55 (c) 18:55
  32. 32.A train leaves at 09:35 and reaches at 11:30. How long is the journey (in minutes)?
  33. 33.How many hours are there from 10:00 to 23:00?
  34. 34.What is 15:55 in 12-hour time? (a) 3:55 p.m. (b) 3:55 a.m. (c) 5:55 p.m.
  35. 35.A match starts at 17:05 and lasts 4 hours 55 minutes. At what time does it end? (a) 22:00 (b) 21:00 (c) 23:00
  36. 36.A train leaves at 17:10 and reaches at 18:55. How long is the journey (in minutes)?
  37. 37.What is 14:10 in 12-hour time? (a) 2:10 a.m. (b) 2:10 p.m. (c) 4:10 p.m.
  38. 38.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 3:40 p.m. (c) 1:40 p.m.
  39. 39.What is 15:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 p.m. (c) 3:10 a.m.
  40. 40.A match starts at 18:50 and lasts 1 hour 5 minutes. At what time does it end? (a) 20:55 (b) 18:55 (c) 19:55

Answer key

  1. 9:20 a.m.
  2. 15:25
  3. 160
  4. 16:35
  5. 5:05 p.m.
  6. 07:20
  7. 5
  8. 230
  9. 6:30 a.m.
  10. 4:30 a.m.
  11. 05:15
  12. 40
  13. 03:50
  14. 2
  15. 6
  16. 08:20
  17. 9
  18. 18:30
  19. 08:30
  20. 04:10
  21. 17:30
  22. 16:40
  23. 10:30
  24. 2
  25. 65
  26. 11:05
  27. 120
  28. 14:00
  29. 21:05
  30. 17:10
  31. 18:55
  32. 115
  33. 13
  34. 3:55 p.m.
  35. 22:00
  36. 105
  37. 2:10 p.m.
  38. 1:40 p.m.
  39. 3:10 p.m.
  40. 19:55

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