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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 847 · 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 4:15 a.m. in 24-hour time. (a) 16:15 (b) 06:15 (c) 04:15
  2. 2.What is 23:40 in 12-hour time? (a) 11:40 p.m. (b) 1:40 p.m. (c) 11:40 a.m.
  3. 3.How many hours are there from 10:00 to 13:00?
  4. 4.A train leaves at 15:45 and reaches at 16:50. How long is the journey (in minutes)?
  5. 5.A match starts at 13:15 and lasts 3 hours 55 minutes. At what time does it end? (a) 17:10 (b) 18:10 (c) 16:10
  6. 6.What is 17:35 in 12-hour time? (a) 5:35 a.m. (b) 5:35 p.m. (c) 7:35 p.m.
  7. 7.Write 7:10 a.m. in 24-hour time. (a) 07:10 (b) 09:10 (c) 19:10
  8. 8.A film is 1 hour 40 minutes long. How many minutes is that?
  9. 9.What is 03:20 in 12-hour time? (a) 3:20 p.m. (b) 3:20 a.m. (c) 5:20 a.m.
  10. 10.A film is 3 hours 10 minutes long. How many minutes is that?
  11. 11.How many hours are there from 07:00 to 17:00?
  12. 12.A train leaves at 17:30 and reaches at 18:20. How long is the journey (in minutes)?
  13. 13.What is 14:30 in 12-hour time? (a) 4:30 p.m. (b) 2:30 p.m. (c) 2:30 a.m.
  14. 14.A match starts at 17:10 and lasts 2 hours 20 minutes. At what time does it end? (a) 18:30 (b) 19:30 (c) 20:30
  15. 15.A match starts at 17:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 19:50 (b) 21:50 (c) 20:50
  16. 16.A film is 2 hours 35 minutes long. How many minutes is that?
  17. 17.A match starts at 11:10 and lasts 3 hours 20 minutes. At what time does it end? (a) 15:30 (b) 14:30 (c) 13:30
  18. 18.Write 10:05 p.m. in 24-hour time. (a) 10:05 (b) 00:05 (c) 22:05
  19. 19.What is 23:15 in 12-hour time? (a) 1:15 p.m. (b) 11:15 a.m. (c) 11:15 p.m.
  20. 20.A match starts at 08:55 and lasts 3 hours 35 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 13:30
  21. 21.Write 4:00 p.m. in 24-hour time. (a) 04:00 (b) 16:00 (c) 18:00
  22. 22.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 3:40 a.m. (c) 5:40 p.m.
  23. 23.How many hours are there from 07:00 to 19:00?
  24. 24.How many hours are there from 06:00 to 11:00?
  25. 25.How many hours are there from 08:00 to 14:00?
  26. 26.How many hours are there from 07:00 to 20:00?
  27. 27.How many hours are there from 10:00 to 19:00?
  28. 28.How many hours are there from 09:00 to 20:00?
  29. 29.How many hours are there from 12:00 to 15:00?
  30. 30.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 14:25 (c) 04:25
  31. 31.How many hours are there from 05:00 to 15:00?
  32. 32.Write 8:00 a.m. in 24-hour time. (a) 20:00 (b) 08:00 (c) 10:00
  33. 33.Write 8:35 p.m. in 24-hour time. (a) 22:35 (b) 20:35 (c) 08:35
  34. 34.A train leaves at 12:50 and reaches at 15:40. How long is the journey (in minutes)?
  35. 35.A film is 3 hours 50 minutes long. How many minutes is that?
  36. 36.A film is 1 hour 55 minutes long. How many minutes is that?
  37. 37.A train leaves at 11:00 and reaches at 13:00. How long is the journey (in minutes)?
  38. 38.Write 6:50 a.m. in 24-hour time. (a) 18:50 (b) 06:50 (c) 08:50
  39. 39.A train leaves at 15:20 and reaches at 15:55. How long is the journey (in minutes)?
  40. 40.How many hours are there from 06:00 to 18:00?

Answer key

  1. 04:15
  2. 11:40 p.m.
  3. 3
  4. 65
  5. 17:10
  6. 5:35 p.m.
  7. 07:10
  8. 100
  9. 3:20 a.m.
  10. 190
  11. 10
  12. 50
  13. 2:30 p.m.
  14. 19:30
  15. 20:50
  16. 155
  17. 14:30
  18. 22:05
  19. 11:15 p.m.
  20. 12:30
  21. 16:00
  22. 3:40 p.m.
  23. 12
  24. 5
  25. 6
  26. 13
  27. 9
  28. 11
  29. 3
  30. 02:25
  31. 10
  32. 08:00
  33. 20:35
  34. 170
  35. 230
  36. 115
  37. 120
  38. 06:50
  39. 35
  40. 12

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