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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 705 · 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 4:20 p.m. in 24-hour time. (a) 04:20 (b) 18:20 (c) 16:20
  2. 2.How many hours are there from 11:00 to 16:00?
  3. 3.How many hours are there from 06:00 to 08:00?
  4. 4.How many hours are there from 08:00 to 11:00?
  5. 5.Write 4:40 a.m. in 24-hour time. (a) 04:40 (b) 16:40 (c) 06:40
  6. 6.A train leaves at 10:35 and reaches at 11:30. How long is the journey (in minutes)?
  7. 7.What is 04:05 in 12-hour time? (a) 6:05 a.m. (b) 4:05 a.m. (c) 4:05 p.m.
  8. 8.What is 14:10 in 12-hour time? (a) 2:10 a.m. (b) 2:10 p.m. (c) 4:10 p.m.
  9. 9.A train leaves at 07:30 and reaches at 09:55. How long is the journey (in minutes)?
  10. 10.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 14:55 (c) 02:55
  11. 11.A film is 1 hour 55 minutes long. How many minutes is that?
  12. 12.Write 10:25 a.m. in 24-hour time. (a) 22:25 (b) 10:25 (c) 12:25
  13. 13.What is 16:35 in 12-hour time? (a) 4:35 a.m. (b) 6:35 p.m. (c) 4:35 p.m.
  14. 14.A match starts at 08:55 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:45 (b) 11:45 (c) 10:45
  15. 15.What is 20:10 in 12-hour time? (a) 8:10 p.m. (b) 8:10 a.m. (c) 10:10 p.m.
  16. 16.A film is 1 hour 35 minutes long. How many minutes is that?
  17. 17.What is 02:40 in 12-hour time? (a) 2:40 p.m. (b) 4:40 a.m. (c) 2:40 a.m.
  18. 18.Write 7:10 p.m. in 24-hour time. (a) 21:10 (b) 19:10 (c) 07:10
  19. 19.A match starts at 09:20 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 09:35
  20. 20.A train leaves at 07:00 and reaches at 07:35. How long is the journey (in minutes)?
  21. 21.How many hours are there from 06:00 to 09:00?
  22. 22.How many hours are there from 05:00 to 21:00?
  23. 23.How many hours are there from 10:00 to 19:00?
  24. 24.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 6:05 a.m. (c) 8:05 a.m.
  25. 25.A train leaves at 07:50 and reaches at 10:20. How long is the journey (in minutes)?
  26. 26.What is 23:25 in 12-hour time? (a) 1:25 p.m. (b) 11:25 a.m. (c) 11:25 p.m.
  27. 27.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 3:05 a.m. (c) 5:05 a.m.
  28. 28.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 5:00 p.m. (c) 3:00 p.m.
  29. 29.A film is 3 hours 30 minutes long. How many minutes is that?
  30. 30.A train leaves at 17:35 and reaches at 19:00. How long is the journey (in minutes)?
  31. 31.What is 23:15 in 12-hour time? (a) 1:15 p.m. (b) 11:15 a.m. (c) 11:15 p.m.
  32. 32.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 23:10 (c) 11:10
  33. 33.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 10:55 (c) 12:55
  34. 34.Write 3:30 a.m. in 24-hour time. (a) 15:30 (b) 05:30 (c) 03:30
  35. 35.A match starts at 10:00 and lasts 2 hours 30 minutes. At what time does it end? (a) 13:30 (b) 11:30 (c) 12:30
  36. 36.A match starts at 15:15 and lasts 3 hours 25 minutes. At what time does it end? (a) 18:40 (b) 19:40 (c) 17:40
  37. 37.A train leaves at 11:15 and reaches at 11:50. How long is the journey (in minutes)?
  38. 38.A film is 2 hours 25 minutes long. How many minutes is that?
  39. 39.A match starts at 18:50 and lasts 4 hours 30 minutes. At what time does it end? (a) 23:20 (b) 22:20 (c) 00:20
  40. 40.A film is 1 hour 40 minutes long. How many minutes is that?

Answer key

  1. 16:20
  2. 5
  3. 2
  4. 3
  5. 04:40
  6. 55
  7. 4:05 a.m.
  8. 2:10 p.m.
  9. 145
  10. 14:55
  11. 115
  12. 10:25
  13. 4:35 p.m.
  14. 10:45
  15. 8:10 p.m.
  16. 95
  17. 2:40 a.m.
  18. 19:10
  19. 10:35
  20. 35
  21. 3
  22. 16
  23. 9
  24. 6:05 a.m.
  25. 150
  26. 11:25 p.m.
  27. 3:05 a.m.
  28. 3:00 p.m.
  29. 210
  30. 85
  31. 11:15 p.m.
  32. 11:10
  33. 10:55
  34. 03:30
  35. 12:30
  36. 18:40
  37. 35
  38. 145
  39. 23:20
  40. 100

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