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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 335 · 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.What is 20:45 in 12-hour time? (a) 8:45 p.m. (b) 10:45 p.m. (c) 8:45 a.m.
  2. 2.A match starts at 12:30 and lasts 4 hours 25 minutes. At what time does it end? (a) 15:55 (b) 17:55 (c) 16:55
  3. 3.A train leaves at 16:50 and reaches at 17:15. How long is the journey (in minutes)?
  4. 4.A film is 1 hour 10 minutes long. How many minutes is that?
  5. 5.A film is 4 hours 45 minutes long. How many minutes is that?
  6. 6.What is 18:55 in 12-hour time? (a) 6:55 p.m. (b) 8:55 p.m. (c) 6:55 a.m.
  7. 7.A film is 2 hours 5 minutes long. How many minutes is that?
  8. 8.A film is 3 hours 15 minutes long. How many minutes is that?
  9. 9.A film is 2 hours 40 minutes long. How many minutes is that?
  10. 10.How many hours are there from 12:00 to 15:00?
  11. 11.A train leaves at 10:50 and reaches at 13:50. How long is the journey (in minutes)?
  12. 12.A train leaves at 17:10 and reaches at 18:30. How long is the journey (in minutes)?
  13. 13.A film is 2 hours 30 minutes long. How many minutes is that?
  14. 14.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 13:10 (c) 11:10
  15. 15.A train leaves at 14:30 and reaches at 15:35. How long is the journey (in minutes)?
  16. 16.A train leaves at 17:55 and reaches at 18:40. How long is the journey (in minutes)?
  17. 17.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 1:35 a.m. (c) 3:35 a.m.
  18. 18.A train leaves at 14:10 and reaches at 16:40. How long is the journey (in minutes)?
  19. 19.Write 1:40 a.m. in 24-hour time. (a) 03:40 (b) 01:40 (c) 13:40
  20. 20.A match starts at 07:35 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:25 (b) 10:25 (c) 08:25
  21. 21.How many hours are there from 11:00 to 19:00?
  22. 22.How many hours are there from 10:00 to 16:00?
  23. 23.A film is 4 hours 5 minutes long. How many minutes is that?
  24. 24.Write 2:30 a.m. in 24-hour time. (a) 14:30 (b) 04:30 (c) 02:30
  25. 25.What is 11:40 in 12-hour time? (a) 11:40 p.m. (b) 11:40 a.m. (c) 1:40 a.m.
  26. 26.A train leaves at 17:25 and reaches at 19:00. How long is the journey (in minutes)?
  27. 27.A match starts at 11:15 and lasts 4 hours 55 minutes. At what time does it end? (a) 17:10 (b) 15:10 (c) 16:10
  28. 28.How many hours are there from 08:00 to 23:00?
  29. 29.How many hours are there from 07:00 to 16:00?
  30. 30.A match starts at 08:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:50 (b) 10:50 (c) 08:50
  31. 31.What is 11:25 in 12-hour time? (a) 1:25 a.m. (b) 11:25 a.m. (c) 11:25 p.m.
  32. 32.A film is 1 hour 20 minutes long. How many minutes is that?
  33. 33.Write 7:05 p.m. in 24-hour time. (a) 21:05 (b) 19:05 (c) 07:05
  34. 34.A train leaves at 09:45 and reaches at 12:45. How long is the journey (in minutes)?
  35. 35.A train leaves at 11:40 and reaches at 14:35. How long is the journey (in minutes)?
  36. 36.A film is 1 hour 30 minutes long. How many minutes is that?
  37. 37.How many hours are there from 09:00 to 23:00?
  38. 38.A film is 1 hour 35 minutes long. How many minutes is that?
  39. 39.Write 3:40 p.m. in 24-hour time. (a) 17:40 (b) 03:40 (c) 15:40
  40. 40.A film is 2 hours 10 minutes long. How many minutes is that?

Answer key

  1. 8:45 p.m.
  2. 16:55
  3. 25
  4. 70
  5. 285
  6. 6:55 p.m.
  7. 125
  8. 195
  9. 160
  10. 3
  11. 180
  12. 80
  13. 150
  14. 11:10
  15. 65
  16. 45
  17. 1:35 a.m.
  18. 150
  19. 01:40
  20. 09:25
  21. 8
  22. 6
  23. 245
  24. 02:30
  25. 11:40 a.m.
  26. 95
  27. 16:10
  28. 15
  29. 9
  30. 09:50
  31. 11:25 a.m.
  32. 80
  33. 19:05
  34. 180
  35. 175
  36. 90
  37. 14
  38. 95
  39. 15:40
  40. 130

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