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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 341 · 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 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 p.m. (c) 7:00 a.m.
  2. 2.What is 19:55 in 12-hour time? (a) 9:55 p.m. (b) 7:55 a.m. (c) 7:55 p.m.
  3. 3.Write 2:50 p.m. in 24-hour time. (a) 02:50 (b) 16:50 (c) 14:50
  4. 4.Write 2:15 a.m. in 24-hour time. (a) 02:15 (b) 14:15 (c) 04:15
  5. 5.A film is 4 hours 55 minutes long. How many minutes is that?
  6. 6.A film is 2 hours 30 minutes long. How many minutes is that?
  7. 7.What is 11:40 in 12-hour time? (a) 11:40 p.m. (b) 11:40 a.m. (c) 1:40 a.m.
  8. 8.Write 6:50 a.m. in 24-hour time. (a) 06:50 (b) 08:50 (c) 18:50
  9. 9.What is 20:40 in 12-hour time? (a) 10:40 p.m. (b) 8:40 a.m. (c) 8:40 p.m.
  10. 10.Write 11:35 a.m. in 24-hour time. (a) 13:35 (b) 23:35 (c) 11:35
  11. 11.A film is 1 hour 30 minutes long. How many minutes is that?
  12. 12.What is 11:00 in 12-hour time? (a) 1:00 a.m. (b) 11:00 a.m. (c) 11:00 p.m.
  13. 13.A match starts at 17:50 and lasts 1 hour 25 minutes. At what time does it end? (a) 18:15 (b) 19:15 (c) 20:15
  14. 14.A film is 1 hour 10 minutes long. How many minutes is that?
  15. 15.A film is 1 hour 55 minutes long. How many minutes is that?
  16. 16.A match starts at 07:40 and lasts 4 hours. At what time does it end? (a) 11:40 (b) 10:40 (c) 12:40
  17. 17.Write 7:00 p.m. in 24-hour time. (a) 07:00 (b) 19:00 (c) 21:00
  18. 18.What is 09:55 in 12-hour time? (a) 9:55 p.m. (b) 9:55 a.m. (c) 11:55 a.m.
  19. 19.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 03:20 (c) 13:20
  20. 20.How many hours are there from 08:00 to 20:00?
  21. 21.A train leaves at 18:05 and reaches at 20:50. How long is the journey (in minutes)?
  22. 22.A match starts at 16:55 and lasts 2 hours 35 minutes. At what time does it end? (a) 18:30 (b) 20:30 (c) 19:30
  23. 23.How many hours are there from 08:00 to 12:00?
  24. 24.A film is 3 hours 35 minutes long. How many minutes is that?
  25. 25.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 9:10 p.m. (c) 7:10 a.m.
  26. 26.A train leaves at 11:30 and reaches at 12:45. How long is the journey (in minutes)?
  27. 27.Write 2:25 a.m. in 24-hour time. (a) 04:25 (b) 14:25 (c) 02:25
  28. 28.A match starts at 10:20 and lasts 4 hours 10 minutes. At what time does it end? (a) 13:30 (b) 14:30 (c) 15:30
  29. 29.How many hours are there from 12:00 to 15:00?
  30. 30.A train leaves at 18:25 and reaches at 20:55. How long is the journey (in minutes)?
  31. 31.A train leaves at 15:55 and reaches at 17:45. How long is the journey (in minutes)?
  32. 32.Write 1:15 a.m. in 24-hour time. (a) 13:15 (b) 03:15 (c) 01:15
  33. 33.A train leaves at 10:20 and reaches at 11:50. How long is the journey (in minutes)?
  34. 34.A train leaves at 12:55 and reaches at 13:40. How long is the journey (in minutes)?
  35. 35.A film is 3 hours 55 minutes long. How many minutes is that?
  36. 36.A train leaves at 08:45 and reaches at 10:20. How long is the journey (in minutes)?
  37. 37.How many hours are there from 08:00 to 19:00?
  38. 38.A film is 1 hour 15 minutes long. How many minutes is that?
  39. 39.A film is 1 hour 5 minutes long. How many minutes is that?
  40. 40.A train leaves at 08:40 and reaches at 09:40. How long is the journey (in minutes)?

Answer key

  1. 7:00 a.m.
  2. 7:55 p.m.
  3. 14:50
  4. 02:15
  5. 295
  6. 150
  7. 11:40 a.m.
  8. 06:50
  9. 8:40 p.m.
  10. 11:35
  11. 90
  12. 11:00 a.m.
  13. 19:15
  14. 70
  15. 115
  16. 11:40
  17. 19:00
  18. 9:55 a.m.
  19. 01:20
  20. 12
  21. 165
  22. 19:30
  23. 4
  24. 215
  25. 7:10 p.m.
  26. 75
  27. 02:25
  28. 14:30
  29. 3
  30. 150
  31. 110
  32. 01:15
  33. 90
  34. 45
  35. 235
  36. 95
  37. 11
  38. 75
  39. 65
  40. 60

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