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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 826 · 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 18:55 and lasts 3 hours 55 minutes. At what time does it end? (a) 21:50 (b) 23:50 (c) 22:50
  2. 2.Write 8:40 p.m. in 24-hour time. (a) 22:40 (b) 20:40 (c) 08:40
  3. 3.What is 21:40 in 12-hour time? (a) 9:40 p.m. (b) 9:40 a.m. (c) 11:40 p.m.
  4. 4.What is 16:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 p.m. (c) 4:15 a.m.
  5. 5.A train leaves at 13:15 and reaches at 14:25. How long is the journey (in minutes)?
  6. 6.What is 11:30 in 12-hour time? (a) 11:30 p.m. (b) 1:30 a.m. (c) 11:30 a.m.
  7. 7.A train leaves at 06:35 and reaches at 08:50. How long is the journey (in minutes)?
  8. 8.What is 07:10 in 12-hour time? (a) 7:10 p.m. (b) 7:10 a.m. (c) 9:10 a.m.
  9. 9.What is 08:15 in 12-hour time? (a) 10:15 a.m. (b) 8:15 a.m. (c) 8:15 p.m.
  10. 10.A film is 1 hour 45 minutes long. How many minutes is that?
  11. 11.How many hours are there from 07:00 to 11:00?
  12. 12.How many hours are there from 06:00 to 14:00?
  13. 13.A train leaves at 15:05 and reaches at 17:30. How long is the journey (in minutes)?
  14. 14.A train leaves at 10:15 and reaches at 10:55. How long is the journey (in minutes)?
  15. 15.Write 7:45 a.m. in 24-hour time. (a) 19:45 (b) 07:45 (c) 09:45
  16. 16.What is 10:10 in 12-hour time? (a) 10:10 a.m. (b) 10:10 p.m. (c) 12:10 a.m.
  17. 17.Write 1:25 a.m. in 24-hour time. (a) 13:25 (b) 03:25 (c) 01:25
  18. 18.How many hours are there from 09:00 to 19:00?
  19. 19.A match starts at 09:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 12:20 (b) 13:20 (c) 14:20
  20. 20.How many hours are there from 05:00 to 10:00?
  21. 21.A film is 4 hours 50 minutes long. How many minutes is that?
  22. 22.A train leaves at 09:35 and reaches at 10:20. How long is the journey (in minutes)?
  23. 23.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 07:05 (c) 05:05
  24. 24.A film is 4 hours 20 minutes long. How many minutes is that?
  25. 25.A train leaves at 18:20 and reaches at 19:10. How long is the journey (in minutes)?
  26. 26.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 a.m. (c) 8:05 a.m.
  27. 27.A train leaves at 06:05 and reaches at 07:10. How long is the journey (in minutes)?
  28. 28.What is 23:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 p.m. (c) 11:35 p.m.
  29. 29.A train leaves at 19:15 and reaches at 22:20. How long is the journey (in minutes)?
  30. 30.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
  31. 31.What is 08:00 in 12-hour time? (a) 8:00 a.m. (b) 8:00 p.m. (c) 10:00 a.m.
  32. 32.What is 02:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 a.m. (c) 2:40 p.m.
  33. 33.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 11:05 a.m. (c) 9:05 a.m.
  34. 34.A train leaves at 14:05 and reaches at 15:40. How long is the journey (in minutes)?
  35. 35.A film is 3 hours 25 minutes long. How many minutes is that?
  36. 36.Write 11:25 a.m. in 24-hour time. (a) 23:25 (b) 13:25 (c) 11:25
  37. 37.What is 01:50 in 12-hour time? (a) 1:50 p.m. (b) 3:50 a.m. (c) 1:50 a.m.
  38. 38.A film is 3 hours 40 minutes long. How many minutes is that?
  39. 39.A film is 4 hours 35 minutes long. How many minutes is that?
  40. 40.Write 2:30 p.m. in 24-hour time. (a) 16:30 (b) 14:30 (c) 02:30

Answer key

  1. 22:50
  2. 20:40
  3. 9:40 p.m.
  4. 4:15 p.m.
  5. 70
  6. 11:30 a.m.
  7. 135
  8. 7:10 a.m.
  9. 8:15 a.m.
  10. 105
  11. 4
  12. 8
  13. 145
  14. 40
  15. 07:45
  16. 10:10 a.m.
  17. 01:25
  18. 10
  19. 13:20
  20. 5
  21. 290
  22. 45
  23. 05:05
  24. 260
  25. 50
  26. 8:05 a.m.
  27. 65
  28. 11:35 p.m.
  29. 185
  30. 09:00
  31. 8:00 a.m.
  32. 2:40 a.m.
  33. 9:05 a.m.
  34. 95
  35. 205
  36. 11:25
  37. 1:50 a.m.
  38. 220
  39. 275
  40. 14:30

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