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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 592 · 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.A film is 2 hours 40 minutes long. How many minutes is that?
  2. 2.A match starts at 16:40 and lasts 3 hours 20 minutes. At what time does it end? (a) 20:00 (b) 21:00 (c) 19:00
  3. 3.Write 9:00 p.m. in 24-hour time. (a) 21:00 (b) 23:00 (c) 09:00
  4. 4.How many hours are there from 11:00 to 21:00?
  5. 5.What is 02:45 in 12-hour time? (a) 2:45 p.m. (b) 4:45 a.m. (c) 2:45 a.m.
  6. 6.Write 10:50 p.m. in 24-hour time. (a) 00:50 (b) 22:50 (c) 10:50
  7. 7.A match starts at 07:45 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:10 (b) 08:10 (c) 09:10
  8. 8.A train leaves at 14:10 and reaches at 15:05. How long is the journey (in minutes)?
  9. 9.Write 10:45 p.m. in 24-hour time. (a) 10:45 (b) 22:45 (c) 00:45
  10. 10.What is 22:55 in 12-hour time? (a) 10:55 p.m. (b) 12:55 p.m. (c) 10:55 a.m.
  11. 11.What is 13:35 in 12-hour time? (a) 3:35 p.m. (b) 1:35 p.m. (c) 1:35 a.m.
  12. 12.A film is 2 hours 50 minutes long. How many minutes is that?
  13. 13.What is 15:40 in 12-hour time? (a) 3:40 a.m. (b) 5:40 p.m. (c) 3:40 p.m.
  14. 14.A film is 3 hours 40 minutes long. How many minutes is that?
  15. 15.A train leaves at 18:45 and reaches at 20:30. How long is the journey (in minutes)?
  16. 16.Write 11:30 a.m. in 24-hour time. (a) 11:30 (b) 23:30 (c) 13:30
  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.A train leaves at 16:10 and reaches at 17:50. How long is the journey (in minutes)?
  19. 19.A train leaves at 13:45 and reaches at 14:10. How long is the journey (in minutes)?
  20. 20.Write 9:15 p.m. in 24-hour time. (a) 21:15 (b) 09:15 (c) 23:15
  21. 21.A film is 3 hours 25 minutes long. How many minutes is that?
  22. 22.A match starts at 13:20 and lasts 2 hours 10 minutes. At what time does it end? (a) 15:30 (b) 16:30 (c) 14:30
  23. 23.A train leaves at 19:40 and reaches at 22:20. How long is the journey (in minutes)?
  24. 24.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 04:15 (c) 02:15
  25. 25.A film is 4 hours 15 minutes long. How many minutes is that?
  26. 26.How many hours are there from 12:00 to 19:00?
  27. 27.A film is 2 hours 25 minutes long. How many minutes is that?
  28. 28.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 p.m.
  29. 29.Write 2:15 p.m. in 24-hour time. (a) 14:15 (b) 16:15 (c) 02:15
  30. 30.A train leaves at 18:20 and reaches at 20:45. How long is the journey (in minutes)?
  31. 31.A film is 1 hour 20 minutes long. How many minutes is that?
  32. 32.How many hours are there from 10:00 to 17:00?
  33. 33.What is 22:15 in 12-hour time? (a) 10:15 p.m. (b) 12:15 p.m. (c) 10:15 a.m.
  34. 34.A film is 4 hours 30 minutes long. How many minutes is that?
  35. 35.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 p.m. (c) 5:35 a.m.
  36. 36.Write 7:15 a.m. in 24-hour time. (a) 07:15 (b) 19:15 (c) 09:15
  37. 37.A train leaves at 13:45 and reaches at 17:05. How long is the journey (in minutes)?
  38. 38.A match starts at 10:40 and lasts 1 hour 30 minutes. At what time does it end? (a) 11:10 (b) 12:10 (c) 13:10
  39. 39.What is 16:50 in 12-hour time? (a) 4:50 a.m. (b) 4:50 p.m. (c) 6:50 p.m.
  40. 40.A match starts at 13:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 14:20 (b) 13:20 (c) 15:20

Answer key

  1. 160
  2. 20:00
  3. 21:00
  4. 10
  5. 2:45 a.m.
  6. 22:50
  7. 09:10
  8. 55
  9. 22:45
  10. 10:55 p.m.
  11. 1:35 p.m.
  12. 170
  13. 3:40 p.m.
  14. 220
  15. 105
  16. 11:30
  17. 2:40 a.m.
  18. 100
  19. 25
  20. 21:15
  21. 205
  22. 15:30
  23. 160
  24. 02:15
  25. 255
  26. 7
  27. 145
  28. 7:30 p.m.
  29. 14:15
  30. 145
  31. 80
  32. 7
  33. 10:15 p.m.
  34. 270
  35. 5:35 a.m.
  36. 07:15
  37. 200
  38. 12:10
  39. 4:50 p.m.
  40. 14:20

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