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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 143 · 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 train leaves at 18:20 and reaches at 21:30. How long is the journey (in minutes)?
  2. 2.A train leaves at 14:15 and reaches at 15:30. How long is the journey (in minutes)?
  3. 3.Write 10:05 a.m. in 24-hour time. (a) 12:05 (b) 10:05 (c) 22:05
  4. 4.What is 18:00 in 12-hour time? (a) 6:00 p.m. (b) 8:00 p.m. (c) 6:00 a.m.
  5. 5.A film is 2 hours 40 minutes long. How many minutes is that?
  6. 6.A match starts at 09:45 and lasts 1 hour 10 minutes. At what time does it end? (a) 10:55 (b) 09:55 (c) 11:55
  7. 7.Write 11:35 p.m. in 24-hour time. (a) 23:35 (b) 01:35 (c) 11:35
  8. 8.How many hours are there from 09:00 to 19:00?
  9. 9.Write 7:00 a.m. in 24-hour time. (a) 09:00 (b) 19:00 (c) 07:00
  10. 10.What is 04:55 in 12-hour time? (a) 4:55 a.m. (b) 4:55 p.m. (c) 6:55 a.m.
  11. 11.A film is 3 hours 45 minutes long. How many minutes is that?
  12. 12.A film is 3 hours 30 minutes long. How many minutes is that?
  13. 13.What is 14:55 in 12-hour time? (a) 4:55 p.m. (b) 2:55 p.m. (c) 2:55 a.m.
  14. 14.A match starts at 15:30 and lasts 3 hours 40 minutes. At what time does it end? (a) 18:10 (b) 19:10 (c) 20:10
  15. 15.A train leaves at 11:15 and reaches at 13:10. How long is the journey (in minutes)?
  16. 16.Write 5:40 p.m. in 24-hour time. (a) 05:40 (b) 17:40 (c) 19:40
  17. 17.A film is 3 hours 55 minutes long. How many minutes is that?
  18. 18.What is 11:50 in 12-hour time? (a) 1:50 a.m. (b) 11:50 a.m. (c) 11:50 p.m.
  19. 19.What is 02:25 in 12-hour time? (a) 2:25 a.m. (b) 4:25 a.m. (c) 2:25 p.m.
  20. 20.Write 4:30 p.m. in 24-hour time. (a) 16:30 (b) 18:30 (c) 04:30
  21. 21.Write 11:40 p.m. in 24-hour time. (a) 01:40 (b) 11:40 (c) 23:40
  22. 22.A train leaves at 14:25 and reaches at 15:00. How long is the journey (in minutes)?
  23. 23.How many hours are there from 08:00 to 20:00?
  24. 24.A match starts at 17:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45
  25. 25.Write 5:00 p.m. in 24-hour time. (a) 19:00 (b) 17:00 (c) 05:00
  26. 26.What is 02:30 in 12-hour time? (a) 2:30 a.m. (b) 4:30 a.m. (c) 2:30 p.m.
  27. 27.How many hours are there from 09:00 to 18:00?
  28. 28.Write 4:25 p.m. in 24-hour time. (a) 04:25 (b) 18:25 (c) 16:25
  29. 29.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 05:10 (c) 07:10
  30. 30.A film is 1 hour 5 minutes long. How many minutes is that?
  31. 31.What is 20:10 in 12-hour time? (a) 8:10 p.m. (b) 8:10 a.m. (c) 10:10 p.m.
  32. 32.How many hours are there from 12:00 to 18:00?
  33. 33.What is 21:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 p.m. (c) 9:20 a.m.
  34. 34.What is 07:25 in 12-hour time? (a) 9:25 a.m. (b) 7:25 a.m. (c) 7:25 p.m.
  35. 35.Write 10:30 a.m. in 24-hour time. (a) 22:30 (b) 12:30 (c) 10:30
  36. 36.A train leaves at 07:30 and reaches at 08:15. How long is the journey (in minutes)?
  37. 37.A train leaves at 16:40 and reaches at 17:20. How long is the journey (in minutes)?
  38. 38.How many hours are there from 08:00 to 12:00?
  39. 39.A film is 4 hours 5 minutes long. How many minutes is that?
  40. 40.A train leaves at 16:10 and reaches at 18:50. How long is the journey (in minutes)?

Answer key

  1. 190
  2. 75
  3. 10:05
  4. 6:00 p.m.
  5. 160
  6. 10:55
  7. 23:35
  8. 10
  9. 07:00
  10. 4:55 a.m.
  11. 225
  12. 210
  13. 2:55 p.m.
  14. 19:10
  15. 115
  16. 17:40
  17. 235
  18. 11:50 a.m.
  19. 2:25 a.m.
  20. 16:30
  21. 23:40
  22. 35
  23. 12
  24. 18:45
  25. 17:00
  26. 2:30 a.m.
  27. 9
  28. 16:25
  29. 05:10
  30. 65
  31. 8:10 p.m.
  32. 6
  33. 9:20 p.m.
  34. 7:25 a.m.
  35. 10:30
  36. 45
  37. 40
  38. 4
  39. 245
  40. 160

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