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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 46 · 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 10:30 a.m. in 24-hour time. (a) 12:30 (b) 10:30 (c) 22:30
  2. 2.A film is 3 hours 45 minutes long. How many minutes is that?
  3. 3.How many hours are there from 12:00 to 17:00?
  4. 4.A train leaves at 12:00 and reaches at 13:50. How long is the journey (in minutes)?
  5. 5.A match starts at 08:15 and lasts 2 hours 30 minutes. At what time does it end? (a) 11:45 (b) 10:45 (c) 09:45
  6. 6.A match starts at 17:40 and lasts 2 hours 40 minutes. At what time does it end? (a) 21:20 (b) 19:20 (c) 20:20
  7. 7.What is 21:40 in 12-hour time? (a) 9:40 p.m. (b) 9:40 a.m. (c) 11:40 p.m.
  8. 8.A film is 2 hours 30 minutes long. How many minutes is that?
  9. 9.What is 01:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 a.m. (c) 1:00 a.m.
  10. 10.What is 17:20 in 12-hour time? (a) 5:20 a.m. (b) 5:20 p.m. (c) 7:20 p.m.
  11. 11.A film is 4 hours 35 minutes long. How many minutes is that?
  12. 12.How many hours are there from 09:00 to 13:00?
  13. 13.A film is 3 hours 35 minutes long. How many minutes is that?
  14. 14.How many hours are there from 06:00 to 18:00?
  15. 15.What is 09:10 in 12-hour time? (a) 9:10 a.m. (b) 11:10 a.m. (c) 9:10 p.m.
  16. 16.A film is 2 hours 5 minutes long. How many minutes is that?
  17. 17.A match starts at 16:50 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:25 (b) 17:25 (c) 18:25
  18. 18.A train leaves at 07:05 and reaches at 08:50. How long is the journey (in minutes)?
  19. 19.How many hours are there from 05:00 to 16:00?
  20. 20.What is 13:35 in 12-hour time? (a) 1:35 p.m. (b) 1:35 a.m. (c) 3:35 p.m.
  21. 21.A train leaves at 10:30 and reaches at 12:50. How long is the journey (in minutes)?
  22. 22.How many hours are there from 09:00 to 23:00?
  23. 23.What is 20:00 in 12-hour time? (a) 10:00 p.m. (b) 8:00 a.m. (c) 8:00 p.m.
  24. 24.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 03:05 (c) 01:05
  25. 25.A match starts at 06:30 and lasts 3 hours 5 minutes. At what time does it end? (a) 08:35 (b) 09:35 (c) 10:35
  26. 26.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 03:45 (c) 05:45
  27. 27.How many hours are there from 06:00 to 15:00?
  28. 28.What is 01:30 in 12-hour time? (a) 1:30 a.m. (b) 1:30 p.m. (c) 3:30 a.m.
  29. 29.How many hours are there from 06:00 to 16:00?
  30. 30.A match starts at 15:30 and lasts 1 hour 40 minutes. At what time does it end? (a) 17:10 (b) 16:10 (c) 18:10
  31. 31.A train leaves at 06:15 and reaches at 09:15. How long is the journey (in minutes)?
  32. 32.A match starts at 15:45 and lasts 1 hour 20 minutes. At what time does it end? (a) 17:05 (b) 18:05 (c) 16:05
  33. 33.How many hours are there from 12:00 to 14:00?
  34. 34.A film is 4 hours 45 minutes long. How many minutes is that?
  35. 35.A film is 3 hours 5 minutes long. How many minutes is that?
  36. 36.A film is 1 hour 55 minutes long. How many minutes is that?
  37. 37.How many hours are there from 12:00 to 16:00?
  38. 38.What is 07:20 in 12-hour time? (a) 9:20 a.m. (b) 7:20 a.m. (c) 7:20 p.m.
  39. 39.A match starts at 10:15 and lasts 1 hour 15 minutes. At what time does it end? (a) 12:30 (b) 10:30 (c) 11:30
  40. 40.What is 13:20 in 12-hour time? (a) 1:20 p.m. (b) 1:20 a.m. (c) 3:20 p.m.

Answer key

  1. 10:30
  2. 225
  3. 5
  4. 110
  5. 10:45
  6. 20:20
  7. 9:40 p.m.
  8. 150
  9. 1:00 a.m.
  10. 5:20 p.m.
  11. 275
  12. 4
  13. 215
  14. 12
  15. 9:10 a.m.
  16. 125
  17. 18:25
  18. 105
  19. 11
  20. 1:35 p.m.
  21. 140
  22. 14
  23. 8:00 p.m.
  24. 01:05
  25. 09:35
  26. 03:45
  27. 9
  28. 1:30 a.m.
  29. 10
  30. 17:10
  31. 180
  32. 17:05
  33. 2
  34. 285
  35. 185
  36. 115
  37. 4
  38. 7:20 a.m.
  39. 11:30
  40. 1:20 p.m.

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