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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 380 · 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.What is 23:10 in 12-hour time? (a) 11:10 p.m. (b) 1:10 p.m. (c) 11:10 a.m.
  2. 2.Write 4:45 a.m. in 24-hour time. (a) 04:45 (b) 06:45 (c) 16:45
  3. 3.Write 6:55 a.m. in 24-hour time. (a) 18:55 (b) 08:55 (c) 06:55
  4. 4.A film is 3 hours 15 minutes long. How many minutes is that?
  5. 5.Write 5:40 a.m. in 24-hour time. (a) 07:40 (b) 05:40 (c) 17:40
  6. 6.How many hours are there from 12:00 to 16:00?
  7. 7.A match starts at 18:00 and lasts 4 hours 25 minutes. At what time does it end? (a) 22:25 (b) 23:25 (c) 21:25
  8. 8.A film is 3 hours 5 minutes long. How many minutes is that?
  9. 9.What is 22:30 in 12-hour time? (a) 10:30 a.m. (b) 12:30 p.m. (c) 10:30 p.m.
  10. 10.A match starts at 15:55 and lasts 1 hour 40 minutes. At what time does it end? (a) 16:35 (b) 17:35 (c) 18:35
  11. 11.A film is 1 hour 25 minutes long. How many minutes is that?
  12. 12.A train leaves at 19:15 and reaches at 20:00. How long is the journey (in minutes)?
  13. 13.What is 03:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 a.m. (c) 3:10 a.m.
  14. 14.How many hours are there from 07:00 to 18:00?
  15. 15.What is 08:00 in 12-hour time? (a) 8:00 p.m. (b) 8:00 a.m. (c) 10:00 a.m.
  16. 16.A train leaves at 06:25 and reaches at 08:35. How long is the journey (in minutes)?
  17. 17.What is 04:30 in 12-hour time? (a) 6:30 a.m. (b) 4:30 p.m. (c) 4:30 a.m.
  18. 18.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 18:05 (c) 04:05
  19. 19.A film is 3 hours 45 minutes long. How many minutes is that?
  20. 20.What is 18:30 in 12-hour time? (a) 6:30 p.m. (b) 6:30 a.m. (c) 8:30 p.m.
  21. 21.A match starts at 15:15 and lasts 3 hours 35 minutes. At what time does it end? (a) 18:50 (b) 19:50 (c) 17:50
  22. 22.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 02:55 (c) 14:55
  23. 23.A match starts at 16:40 and lasts 3 hours 50 minutes. At what time does it end? (a) 21:30 (b) 19:30 (c) 20:30
  24. 24.A match starts at 09:00 and lasts 4 hours 5 minutes. At what time does it end? (a) 14:05 (b) 12:05 (c) 13:05
  25. 25.A film is 1 hour 20 minutes long. How many minutes is that?
  26. 26.What is 18:10 in 12-hour time? (a) 8:10 p.m. (b) 6:10 a.m. (c) 6:10 p.m.
  27. 27.A train leaves at 19:00 and reaches at 21:20. How long is the journey (in minutes)?
  28. 28.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
  29. 29.How many hours are there from 08:00 to 13:00?
  30. 30.How many hours are there from 08:00 to 11:00?
  31. 31.Write 11:25 a.m. in 24-hour time. (a) 13:25 (b) 23:25 (c) 11:25
  32. 32.A train leaves at 11:15 and reaches at 12:45. How long is the journey (in minutes)?
  33. 33.A match starts at 13:25 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:20 (b) 17:20 (c) 16:20
  34. 34.A train leaves at 18:00 and reaches at 20:50. How long is the journey (in minutes)?
  35. 35.How many hours are there from 11:00 to 14:00?
  36. 36.A film is 4 hours 50 minutes long. How many minutes is that?
  37. 37.Write 8:30 a.m. in 24-hour time. (a) 08:30 (b) 20:30 (c) 10:30
  38. 38.How many hours are there from 07:00 to 19:00?
  39. 39.How many hours are there from 07:00 to 10:00?
  40. 40.How many hours are there from 08:00 to 19:00?

Answer key

  1. 11:10 p.m.
  2. 04:45
  3. 06:55
  4. 195
  5. 05:40
  6. 4
  7. 22:25
  8. 185
  9. 10:30 p.m.
  10. 17:35
  11. 85
  12. 45
  13. 3:10 a.m.
  14. 11
  15. 8:00 a.m.
  16. 130
  17. 4:30 a.m.
  18. 16:05
  19. 225
  20. 6:30 p.m.
  21. 18:50
  22. 14:55
  23. 20:30
  24. 13:05
  25. 80
  26. 6:10 p.m.
  27. 140
  28. 20:00
  29. 5
  30. 3
  31. 11:25
  32. 90
  33. 17:20
  34. 170
  35. 3
  36. 290
  37. 08:30
  38. 12
  39. 3
  40. 11

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