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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 747 · 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.How many hours are there from 12:00 to 21:00?
  2. 2.A train leaves at 19:10 and reaches at 20:20. How long is the journey (in minutes)?
  3. 3.Write 3:15 a.m. in 24-hour time. (a) 05:15 (b) 03:15 (c) 15:15
  4. 4.Write 11:55 a.m. in 24-hour time. (a) 23:55 (b) 11:55 (c) 13:55
  5. 5.A match starts at 18:30 and lasts 1 hour 15 minutes. At what time does it end? (a) 19:45 (b) 20:45 (c) 18:45
  6. 6.What is 11:30 in 12-hour time? (a) 1:30 a.m. (b) 11:30 a.m. (c) 11:30 p.m.
  7. 7.A train leaves at 14:20 and reaches at 16:40. How long is the journey (in minutes)?
  8. 8.A film is 1 hour 15 minutes long. How many minutes is that?
  9. 9.What is 22:30 in 12-hour time? (a) 12:30 p.m. (b) 10:30 a.m. (c) 10:30 p.m.
  10. 10.Write 10:05 p.m. in 24-hour time. (a) 22:05 (b) 00:05 (c) 10:05
  11. 11.A film is 2 hours 5 minutes long. How many minutes is that?
  12. 12.How many hours are there from 09:00 to 16:00?
  13. 13.What is 14:40 in 12-hour time? (a) 4:40 p.m. (b) 2:40 p.m. (c) 2:40 a.m.
  14. 14.How many hours are there from 08:00 to 23:00?
  15. 15.A match starts at 07:10 and lasts 2 hours 20 minutes. At what time does it end? (a) 10:30 (b) 09:30 (c) 08:30
  16. 16.What is 11:50 in 12-hour time? (a) 11:50 a.m. (b) 11:50 p.m. (c) 1:50 a.m.
  17. 17.What is 02:35 in 12-hour time? (a) 2:35 a.m. (b) 4:35 a.m. (c) 2:35 p.m.
  18. 18.A train leaves at 16:45 and reaches at 19:20. How long is the journey (in minutes)?
  19. 19.Write 5:20 a.m. in 24-hour time. (a) 07:20 (b) 05:20 (c) 17:20
  20. 20.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 17:00 (c) 15:00
  21. 21.Write 6:50 p.m. in 24-hour time. (a) 06:50 (b) 20:50 (c) 18:50
  22. 22.How many hours are there from 11:00 to 21:00?
  23. 23.What is 15:15 in 12-hour time? (a) 5:15 p.m. (b) 3:15 a.m. (c) 3:15 p.m.
  24. 24.A train leaves at 08:30 and reaches at 09:30. How long is the journey (in minutes)?
  25. 25.A match starts at 07:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 10:25 (b) 12:25 (c) 11:25
  26. 26.A train leaves at 15:25 and reaches at 16:00. How long is the journey (in minutes)?
  27. 27.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 03:05 (c) 05:05
  28. 28.A film is 4 hours 45 minutes long. How many minutes is that?
  29. 29.Write 1:40 a.m. in 24-hour time. (a) 01:40 (b) 13:40 (c) 03:40
  30. 30.A train leaves at 18:15 and reaches at 18:50. How long is the journey (in minutes)?
  31. 31.A train leaves at 12:50 and reaches at 14:00. How long is the journey (in minutes)?
  32. 32.What is 23:15 in 12-hour time? (a) 11:15 a.m. (b) 1:15 p.m. (c) 11:15 p.m.
  33. 33.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 p.m. (c) 3:05 p.m.
  34. 34.How many hours are there from 06:00 to 09:00?
  35. 35.A train leaves at 11:25 and reaches at 13:10. How long is the journey (in minutes)?
  36. 36.A match starts at 08:55 and lasts 2 hours 15 minutes. At what time does it end? (a) 12:10 (b) 10:10 (c) 11:10
  37. 37.What is 23:00 in 12-hour time? (a) 1:00 p.m. (b) 11:00 a.m. (c) 11:00 p.m.
  38. 38.How many hours are there from 05:00 to 19:00?
  39. 39.How many hours are there from 05:00 to 09:00?
  40. 40.What is 06:00 in 12-hour time? (a) 6:00 p.m. (b) 8:00 a.m. (c) 6:00 a.m.

Answer key

  1. 9
  2. 70
  3. 03:15
  4. 11:55
  5. 19:45
  6. 11:30 a.m.
  7. 140
  8. 75
  9. 10:30 p.m.
  10. 22:05
  11. 125
  12. 7
  13. 2:40 p.m.
  14. 15
  15. 09:30
  16. 11:50 a.m.
  17. 2:35 a.m.
  18. 155
  19. 05:20
  20. 15:00
  21. 18:50
  22. 10
  23. 3:15 p.m.
  24. 60
  25. 11:25
  26. 35
  27. 03:05
  28. 285
  29. 01:40
  30. 35
  31. 70
  32. 11:15 p.m.
  33. 3:05 p.m.
  34. 3
  35. 105
  36. 11:10
  37. 11:00 p.m.
  38. 14
  39. 4
  40. 6:00 a.m.

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