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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 891 · 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 55 minutes long. How many minutes is that?
  2. 2.What is 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 a.m. (c) 1:10 p.m.
  3. 3.Write 7:40 a.m. in 24-hour time. (a) 09:40 (b) 19:40 (c) 07:40
  4. 4.A film is 2 hours 5 minutes long. How many minutes is that?
  5. 5.What is 05:25 in 12-hour time? (a) 5:25 p.m. (b) 7:25 a.m. (c) 5:25 a.m.
  6. 6.How many hours are there from 12:00 to 15:00?
  7. 7.How many hours are there from 12:00 to 18:00?
  8. 8.How many hours are there from 05:00 to 20:00?
  9. 9.A match starts at 18:25 and lasts 1 hour 15 minutes. At what time does it end? (a) 19:40 (b) 20:40 (c) 18:40
  10. 10.What is 05:15 in 12-hour time? (a) 5:15 p.m. (b) 7:15 a.m. (c) 5:15 a.m.
  11. 11.Write 9:35 a.m. in 24-hour time. (a) 09:35 (b) 11:35 (c) 21:35
  12. 12.A match starts at 17:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 18:20
  13. 13.A film is 2 hours 35 minutes long. How many minutes is that?
  14. 14.A train leaves at 07:15 and reaches at 10:35. How long is the journey (in minutes)?
  15. 15.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 9:40 a.m. (c) 7:40 a.m.
  16. 16.What is 15:00 in 12-hour time? (a) 5:00 p.m. (b) 3:00 a.m. (c) 3:00 p.m.
  17. 17.How many hours are there from 09:00 to 18:00?
  18. 18.A film is 3 hours 50 minutes long. How many minutes is that?
  19. 19.A train leaves at 17:20 and reaches at 17:50. How long is the journey (in minutes)?
  20. 20.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 a.m. (c) 8:25 p.m.
  21. 21.A film is 4 hours 40 minutes long. How many minutes is that?
  22. 22.How many hours are there from 05:00 to 22:00?
  23. 23.A train leaves at 13:10 and reaches at 15:20. How long is the journey (in minutes)?
  24. 24.A train leaves at 08:25 and reaches at 09:05. How long is the journey (in minutes)?
  25. 25.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 a.m. (c) 1:55 a.m.
  26. 26.What is 20:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 p.m.
  27. 27.A train leaves at 10:10 and reaches at 11:55. How long is the journey (in minutes)?
  28. 28.A train leaves at 09:35 and reaches at 11:20. How long is the journey (in minutes)?
  29. 29.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 17:10 (c) 07:10
  30. 30.How many hours are there from 06:00 to 22:00?
  31. 31.Write 3:00 a.m. in 24-hour time. (a) 05:00 (b) 03:00 (c) 15:00
  32. 32.What is 21:35 in 12-hour time? (a) 9:35 a.m. (b) 9:35 p.m. (c) 11:35 p.m.
  33. 33.A film is 1 hour 15 minutes long. How many minutes is that?
  34. 34.A train leaves at 09:30 and reaches at 11:30. How long is the journey (in minutes)?
  35. 35.What is 06:30 in 12-hour time? (a) 6:30 a.m. (b) 6:30 p.m. (c) 8:30 a.m.
  36. 36.How many hours are there from 12:00 to 17:00?
  37. 37.A film is 1 hour 30 minutes long. How many minutes is that?
  38. 38.How many hours are there from 08:00 to 15:00?
  39. 39.A film is 3 hours 15 minutes long. How many minutes is that?
  40. 40.What is 17:55 in 12-hour time? (a) 5:55 p.m. (b) 7:55 p.m. (c) 5:55 a.m.

Answer key

  1. 175
  2. 1:10 p.m.
  3. 07:40
  4. 125
  5. 5:25 a.m.
  6. 3
  7. 6
  8. 15
  9. 19:40
  10. 5:15 a.m.
  11. 09:35
  12. 19:20
  13. 155
  14. 200
  15. 7:40 a.m.
  16. 3:00 p.m.
  17. 9
  18. 230
  19. 30
  20. 8:25 a.m.
  21. 280
  22. 17
  23. 130
  24. 40
  25. 1:55 a.m.
  26. 8:55 p.m.
  27. 105
  28. 105
  29. 05:10
  30. 16
  31. 03:00
  32. 9:35 p.m.
  33. 75
  34. 120
  35. 6:30 a.m.
  36. 5
  37. 90
  38. 7
  39. 195
  40. 5:55 p.m.

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