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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 252 · 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 match starts at 12:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 15:15 (b) 13:15 (c) 14:15
  2. 2.Write 9:00 p.m. in 24-hour time. (a) 21:00 (b) 23:00 (c) 09:00
  3. 3.A match starts at 07:25 and lasts 2 hours 40 minutes. At what time does it end? (a) 11:05 (b) 10:05 (c) 09:05
  4. 4.A film is 3 hours 35 minutes long. How many minutes is that?
  5. 5.A film is 4 hours 35 minutes long. How many minutes is that?
  6. 6.A film is 1 hour 5 minutes long. How many minutes is that?
  7. 7.A film is 3 hours 50 minutes long. How many minutes is that?
  8. 8.How many hours are there from 09:00 to 11:00?
  9. 9.A train leaves at 17:45 and reaches at 18:55. How long is the journey (in minutes)?
  10. 10.What is 09:50 in 12-hour time? (a) 9:50 p.m. (b) 9:50 a.m. (c) 11:50 a.m.
  11. 11.A film is 1 hour 10 minutes long. How many minutes is that?
  12. 12.How many hours are there from 06:00 to 16:00?
  13. 13.A train leaves at 14:55 and reaches at 15:25. How long is the journey (in minutes)?
  14. 14.What is 23:30 in 12-hour time? (a) 11:30 p.m. (b) 1:30 p.m. (c) 11:30 a.m.
  15. 15.Write 4:55 p.m. in 24-hour time. (a) 04:55 (b) 18:55 (c) 16:55
  16. 16.How many hours are there from 06:00 to 13:00?
  17. 17.Write 2:40 a.m. in 24-hour time. (a) 14:40 (b) 04:40 (c) 02:40
  18. 18.A train leaves at 14:05 and reaches at 17:25. How long is the journey (in minutes)?
  19. 19.How many hours are there from 06:00 to 15:00?
  20. 20.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 a.m. (c) 1:35 p.m.
  21. 21.Write 11:00 p.m. in 24-hour time. (a) 23:00 (b) 01:00 (c) 11:00
  22. 22.A film is 1 hour 35 minutes long. How many minutes is that?
  23. 23.What is 18:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 p.m. (c) 6:25 a.m.
  24. 24.A film is 3 hours 55 minutes long. How many minutes is that?
  25. 25.How many hours are there from 06:00 to 21:00?
  26. 26.What is 19:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 p.m.
  27. 27.A film is 2 hours 20 minutes long. How many minutes is that?
  28. 28.How many hours are there from 09:00 to 20:00?
  29. 29.A film is 4 hours 50 minutes long. How many minutes is that?
  30. 30.What is 16:30 in 12-hour time? (a) 4:30 p.m. (b) 4:30 a.m. (c) 6:30 p.m.
  31. 31.What is 22:45 in 12-hour time? (a) 10:45 p.m. (b) 12:45 p.m. (c) 10:45 a.m.
  32. 32.Write 7:35 p.m. in 24-hour time. (a) 19:35 (b) 21:35 (c) 07:35
  33. 33.How many hours are there from 07:00 to 21:00?
  34. 34.How many hours are there from 10:00 to 13:00?
  35. 35.Write 4:40 p.m. in 24-hour time. (a) 04:40 (b) 18:40 (c) 16:40
  36. 36.A train leaves at 14:45 and reaches at 16:55. How long is the journey (in minutes)?
  37. 37.A train leaves at 17:45 and reaches at 19:45. How long is the journey (in minutes)?
  38. 38.A match starts at 07:15 and lasts 3 hours 30 minutes. At what time does it end? (a) 10:45 (b) 11:45 (c) 09:45
  39. 39.What is 17:45 in 12-hour time? (a) 5:45 p.m. (b) 5:45 a.m. (c) 7:45 p.m.
  40. 40.Write 6:50 a.m. in 24-hour time. (a) 08:50 (b) 06:50 (c) 18:50

Answer key

  1. 14:15
  2. 21:00
  3. 10:05
  4. 215
  5. 275
  6. 65
  7. 230
  8. 2
  9. 70
  10. 9:50 a.m.
  11. 70
  12. 10
  13. 30
  14. 11:30 p.m.
  15. 16:55
  16. 7
  17. 02:40
  18. 200
  19. 9
  20. 1:35 a.m.
  21. 23:00
  22. 95
  23. 6:25 p.m.
  24. 235
  25. 15
  26. 7:05 p.m.
  27. 140
  28. 11
  29. 290
  30. 4:30 p.m.
  31. 10:45 p.m.
  32. 19:35
  33. 14
  34. 3
  35. 16:40
  36. 130
  37. 120
  38. 10:45
  39. 5:45 p.m.
  40. 06:50

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