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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 653 · 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 12:00 to 19:00?
  2. 2.How many hours are there from 07:00 to 14:00?
  3. 3.What is 15:55 in 12-hour time? (a) 5:55 p.m. (b) 3:55 p.m. (c) 3:55 a.m.
  4. 4.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 p.m. (c) 5:35 a.m.
  5. 5.A train leaves at 13:50 and reaches at 15:40. How long is the journey (in minutes)?
  6. 6.How many hours are there from 12:00 to 20:00?
  7. 7.What is 06:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 a.m.
  8. 8.What is 11:45 in 12-hour time? (a) 1:45 a.m. (b) 11:45 p.m. (c) 11:45 a.m.
  9. 9.Write 9:05 p.m. in 24-hour time. (a) 09:05 (b) 21:05 (c) 23:05
  10. 10.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 05:50 (c) 15:50
  11. 11.Write 9:55 p.m. in 24-hour time. (a) 09:55 (b) 23:55 (c) 21:55
  12. 12.A match starts at 17:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 19:40
  13. 13.A train leaves at 11:30 and reaches at 14:15. How long is the journey (in minutes)?
  14. 14.A train leaves at 14:55 and reaches at 18:15. How long is the journey (in minutes)?
  15. 15.What is 09:00 in 12-hour time? (a) 9:00 p.m. (b) 11:00 a.m. (c) 9:00 a.m.
  16. 16.How many hours are there from 11:00 to 17:00?
  17. 17.How many hours are there from 12:00 to 14:00?
  18. 18.A train leaves at 13:20 and reaches at 14:05. How long is the journey (in minutes)?
  19. 19.Write 9:10 a.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 11:10
  20. 20.What is 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 a.m. (c) 10:55 p.m.
  21. 21.A film is 1 hour 15 minutes long. How many minutes is that?
  22. 22.What is 11:25 in 12-hour time? (a) 11:25 a.m. (b) 11:25 p.m. (c) 1:25 a.m.
  23. 23.A film is 3 hours 20 minutes long. How many minutes is that?
  24. 24.What is 14:55 in 12-hour time? (a) 4:55 p.m. (b) 2:55 p.m. (c) 2:55 a.m.
  25. 25.What is 10:50 in 12-hour time? (a) 10:50 p.m. (b) 10:50 a.m. (c) 12:50 a.m.
  26. 26.How many hours are there from 11:00 to 13:00?
  27. 27.How many hours are there from 10:00 to 23:00?
  28. 28.A train leaves at 17:35 and reaches at 19:45. How long is the journey (in minutes)?
  29. 29.A train leaves at 10:55 and reaches at 13:40. How long is the journey (in minutes)?
  30. 30.A match starts at 15:10 and lasts 4 hours 50 minutes. At what time does it end? (a) 21:00 (b) 19:00 (c) 20:00
  31. 31.What is 06:00 in 12-hour time? (a) 8:00 a.m. (b) 6:00 a.m. (c) 6:00 p.m.
  32. 32.How many hours are there from 12:00 to 16:00?
  33. 33.Write 2:45 p.m. in 24-hour time. (a) 16:45 (b) 14:45 (c) 02:45
  34. 34.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 06:00 (c) 08:00
  35. 35.Write 7:00 a.m. in 24-hour time. (a) 19:00 (b) 09:00 (c) 07:00
  36. 36.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 p.m. (c) 3:40 a.m.
  37. 37.A match starts at 07:10 and lasts 3 hours 5 minutes. At what time does it end? (a) 09:15 (b) 10:15 (c) 11:15
  38. 38.Write 7:50 p.m. in 24-hour time. (a) 21:50 (b) 07:50 (c) 19:50
  39. 39.How many hours are there from 05:00 to 09:00?
  40. 40.Write 7:05 p.m. in 24-hour time. (a) 21:05 (b) 07:05 (c) 19:05

Answer key

  1. 7
  2. 7
  3. 3:55 p.m.
  4. 5:35 a.m.
  5. 110
  6. 8
  7. 6:05 a.m.
  8. 11:45 a.m.
  9. 21:05
  10. 03:50
  11. 21:55
  12. 18:40
  13. 165
  14. 200
  15. 9:00 a.m.
  16. 6
  17. 2
  18. 45
  19. 09:10
  20. 10:55 a.m.
  21. 75
  22. 11:25 a.m.
  23. 200
  24. 2:55 p.m.
  25. 10:50 a.m.
  26. 2
  27. 13
  28. 130
  29. 165
  30. 20:00
  31. 6:00 a.m.
  32. 4
  33. 14:45
  34. 06:00
  35. 07:00
  36. 3:40 p.m.
  37. 10:15
  38. 19:50
  39. 4
  40. 19:05

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