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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 611 · 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 3 hours 55 minutes long. How many minutes is that?
  2. 2.How many hours are there from 05:00 to 23:00?
  3. 3.How many hours are there from 10:00 to 12:00?
  4. 4.A film is 1 hour 5 minutes long. How many minutes is that?
  5. 5.Write 10:20 p.m. in 24-hour time. (a) 10:20 (b) 22:20 (c) 00:20
  6. 6.A film is 1 hour 10 minutes long. How many minutes is that?
  7. 7.What is 02:15 in 12-hour time? (a) 4:15 a.m. (b) 2:15 a.m. (c) 2:15 p.m.
  8. 8.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 03:55 (c) 15:55
  9. 9.How many hours are there from 05:00 to 17:00?
  10. 10.A match starts at 09:35 and lasts 1 hour 45 minutes. At what time does it end? (a) 12:20 (b) 10:20 (c) 11:20
  11. 11.What is 08:10 in 12-hour time? (a) 8:10 a.m. (b) 8:10 p.m. (c) 10:10 a.m.
  12. 12.How many hours are there from 12:00 to 14:00?
  13. 13.A film is 2 hours 40 minutes long. How many minutes is that?
  14. 14.A train leaves at 13:10 and reaches at 14:00. How long is the journey (in minutes)?
  15. 15.What is 16:10 in 12-hour time? (a) 4:10 p.m. (b) 6:10 p.m. (c) 4:10 a.m.
  16. 16.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 03:10 (c) 15:10
  17. 17.Write 7:40 a.m. in 24-hour time. (a) 19:40 (b) 09:40 (c) 07:40
  18. 18.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 p.m. (c) 3:35 a.m.
  19. 19.Write 3:35 a.m. in 24-hour time. (a) 05:35 (b) 03:35 (c) 15:35
  20. 20.How many hours are there from 08:00 to 23:00?
  21. 21.A match starts at 10:10 and lasts 1 hour 55 minutes. At what time does it end? (a) 11:05 (b) 12:05 (c) 13:05
  22. 22.How many hours are there from 06:00 to 20:00?
  23. 23.What is 02:50 in 12-hour time? (a) 4:50 a.m. (b) 2:50 a.m. (c) 2:50 p.m.
  24. 24.What is 18:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 p.m. (c) 6:25 a.m.
  25. 25.A train leaves at 17:05 and reaches at 20:20. How long is the journey (in minutes)?
  26. 26.A match starts at 14:15 and lasts 3 hours 5 minutes. At what time does it end? (a) 17:20 (b) 16:20 (c) 18:20
  27. 27.A train leaves at 13:55 and reaches at 16:25. How long is the journey (in minutes)?
  28. 28.Write 8:20 p.m. in 24-hour time. (a) 08:20 (b) 22:20 (c) 20:20
  29. 29.A train leaves at 13:05 and reaches at 14:30. How long is the journey (in minutes)?
  30. 30.A train leaves at 13:40 and reaches at 14:10. How long is the journey (in minutes)?
  31. 31.A film is 1 hour 50 minutes long. How many minutes is that?
  32. 32.A train leaves at 11:50 and reaches at 12:40. How long is the journey (in minutes)?
  33. 33.What is 04:40 in 12-hour time? (a) 4:40 p.m. (b) 4:40 a.m. (c) 6:40 a.m.
  34. 34.A match starts at 14:20 and lasts 4 hours 20 minutes. At what time does it end? (a) 18:40 (b) 19:40 (c) 17:40
  35. 35.A film is 4 hours 15 minutes long. How many minutes is that?
  36. 36.Write 10:20 a.m. in 24-hour time. (a) 22:20 (b) 12:20 (c) 10:20
  37. 37.Write 8:55 a.m. in 24-hour time. (a) 10:55 (b) 08:55 (c) 20:55
  38. 38.A train leaves at 07:55 and reaches at 09:25. How long is the journey (in minutes)?
  39. 39.A train leaves at 08:10 and reaches at 09:45. How long is the journey (in minutes)?
  40. 40.A train leaves at 17:30 and reaches at 19:20. How long is the journey (in minutes)?

Answer key

  1. 235
  2. 18
  3. 2
  4. 65
  5. 22:20
  6. 70
  7. 2:15 a.m.
  8. 03:55
  9. 12
  10. 11:20
  11. 8:10 a.m.
  12. 2
  13. 160
  14. 50
  15. 4:10 p.m.
  16. 15:10
  17. 07:40
  18. 3:35 a.m.
  19. 03:35
  20. 15
  21. 12:05
  22. 14
  23. 2:50 a.m.
  24. 6:25 p.m.
  25. 195
  26. 17:20
  27. 150
  28. 20:20
  29. 85
  30. 30
  31. 110
  32. 50
  33. 4:40 a.m.
  34. 18:40
  35. 255
  36. 10:20
  37. 08:55
  38. 90
  39. 95
  40. 110

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