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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 352 · 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 3:15 a.m. in 24-hour time. (a) 05:15 (b) 15:15 (c) 03:15
  2. 2.What is 07:10 in 12-hour time? (a) 7:10 a.m. (b) 9:10 a.m. (c) 7:10 p.m.
  3. 3.What is 01:45 in 12-hour time? (a) 3:45 a.m. (b) 1:45 a.m. (c) 1:45 p.m.
  4. 4.What is 07:15 in 12-hour time? (a) 7:15 a.m. (b) 9:15 a.m. (c) 7:15 p.m.
  5. 5.A match starts at 11:45 and lasts 2 hours 45 minutes. At what time does it end? (a) 14:30 (b) 15:30 (c) 13:30
  6. 6.A film is 2 hours 50 minutes long. How many minutes is that?
  7. 7.Write 9:15 a.m. in 24-hour time. (a) 21:15 (b) 09:15 (c) 11:15
  8. 8.A film is 2 hours 45 minutes long. How many minutes is that?
  9. 9.Write 9:40 a.m. in 24-hour time. (a) 11:40 (b) 21:40 (c) 09:40
  10. 10.What is 05:15 in 12-hour time? (a) 5:15 a.m. (b) 7:15 a.m. (c) 5:15 p.m.
  11. 11.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 22:35 (c) 20:35
  12. 12.A film is 4 hours 40 minutes long. How many minutes is that?
  13. 13.What is 13:35 in 12-hour time? (a) 3:35 p.m. (b) 1:35 p.m. (c) 1:35 a.m.
  14. 14.A film is 1 hour 40 minutes long. How many minutes is that?
  15. 15.How many hours are there from 11:00 to 16:00?
  16. 16.What is 16:15 in 12-hour time? (a) 4:15 a.m. (b) 6:15 p.m. (c) 4:15 p.m.
  17. 17.A match starts at 15:35 and lasts 1 hour 50 minutes. At what time does it end? (a) 16:25 (b) 18:25 (c) 17:25
  18. 18.A film is 3 hours 10 minutes long. How many minutes is that?
  19. 19.A film is 4 hours 30 minutes long. How many minutes is that?
  20. 20.What is 18:10 in 12-hour time? (a) 8:10 p.m. (b) 6:10 p.m. (c) 6:10 a.m.
  21. 21.How many hours are there from 11:00 to 15:00?
  22. 22.Write 10:55 a.m. in 24-hour time. (a) 10:55 (b) 12:55 (c) 22:55
  23. 23.What is 09:45 in 12-hour time? (a) 9:45 p.m. (b) 11:45 a.m. (c) 9:45 a.m.
  24. 24.A train leaves at 12:45 and reaches at 13:45. How long is the journey (in minutes)?
  25. 25.A film is 2 hours 5 minutes long. How many minutes is that?
  26. 26.A train leaves at 17:25 and reaches at 18:35. How long is the journey (in minutes)?
  27. 27.A match starts at 16:45 and lasts 4 hours 25 minutes. At what time does it end? (a) 20:10 (b) 21:10 (c) 22:10
  28. 28.What is 01:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 a.m.
  29. 29.A film is 2 hours 35 minutes long. How many minutes is that?
  30. 30.How many hours are there from 08:00 to 12:00?
  31. 31.A train leaves at 11:30 and reaches at 14:20. How long is the journey (in minutes)?
  32. 32.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 a.m. (c) 7:30 p.m.
  33. 33.A match starts at 10:30 and lasts 4 hours 5 minutes. At what time does it end? (a) 14:35 (b) 13:35 (c) 15:35
  34. 34.How many hours are there from 05:00 to 10:00?
  35. 35.How many hours are there from 10:00 to 14:00?
  36. 36.How many hours are there from 05:00 to 13:00?
  37. 37.What is 09:40 in 12-hour time? (a) 9:40 a.m. (b) 11:40 a.m. (c) 9:40 p.m.
  38. 38.Write 9:10 a.m. in 24-hour time. (a) 11:10 (b) 21:10 (c) 09:10
  39. 39.A film is 3 hours 15 minutes long. How many minutes is that?
  40. 40.What is 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 p.m. (c) 4:05 a.m.

Answer key

  1. 03:15
  2. 7:10 a.m.
  3. 1:45 a.m.
  4. 7:15 a.m.
  5. 14:30
  6. 170
  7. 09:15
  8. 165
  9. 09:40
  10. 5:15 a.m.
  11. 20:35
  12. 280
  13. 1:35 p.m.
  14. 100
  15. 5
  16. 4:15 p.m.
  17. 17:25
  18. 190
  19. 270
  20. 6:10 p.m.
  21. 4
  22. 10:55
  23. 9:45 a.m.
  24. 60
  25. 125
  26. 70
  27. 21:10
  28. 1:40 a.m.
  29. 155
  30. 4
  31. 170
  32. 7:30 a.m.
  33. 14:35
  34. 5
  35. 4
  36. 8
  37. 9:40 a.m.
  38. 09:10
  39. 195
  40. 4:05 p.m.

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