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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 402 · 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 05:00 to 20:00?
  2. 2.What is 06:10 in 12-hour time? (a) 6:10 a.m. (b) 6:10 p.m. (c) 8:10 a.m.
  3. 3.How many hours are there from 10:00 to 12:00?
  4. 4.A match starts at 12:45 and lasts 2 hours 35 minutes. At what time does it end? (a) 16:20 (b) 15:20 (c) 14:20
  5. 5.What is 14:55 in 12-hour time? (a) 4:55 p.m. (b) 2:55 a.m. (c) 2:55 p.m.
  6. 6.Write 11:55 a.m. in 24-hour time. (a) 23:55 (b) 13:55 (c) 11:55
  7. 7.What is 08:50 in 12-hour time? (a) 8:50 a.m. (b) 8:50 p.m. (c) 10:50 a.m.
  8. 8.A train leaves at 13:20 and reaches at 14:30. How long is the journey (in minutes)?
  9. 9.A match starts at 10:00 and lasts 1 hour 5 minutes. At what time does it end? (a) 11:05 (b) 12:05 (c) 10:05
  10. 10.A film is 4 hours 20 minutes long. How many minutes is that?
  11. 11.A match starts at 09:25 and lasts 1 hour 45 minutes. At what time does it end? (a) 12:10 (b) 11:10 (c) 10:10
  12. 12.A match starts at 11:35 and lasts 2 hours 15 minutes. At what time does it end? (a) 12:50 (b) 14:50 (c) 13:50
  13. 13.Write 5:55 a.m. in 24-hour time. (a) 07:55 (b) 17:55 (c) 05:55
  14. 14.A film is 3 hours 10 minutes long. How many minutes is that?
  15. 15.A match starts at 17:55 and lasts 2 hours 40 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 19:35
  16. 16.Write 5:25 a.m. in 24-hour time. (a) 05:25 (b) 17:25 (c) 07:25
  17. 17.How many hours are there from 08:00 to 13:00?
  18. 18.A film is 3 hours 5 minutes long. How many minutes is that?
  19. 19.Write 11:55 p.m. in 24-hour time. (a) 11:55 (b) 23:55 (c) 01:55
  20. 20.A train leaves at 14:45 and reaches at 17:40. How long is the journey (in minutes)?
  21. 21.What is 19:05 in 12-hour time? (a) 7:05 a.m. (b) 7:05 p.m. (c) 9:05 p.m.
  22. 22.A match starts at 12:20 and lasts 2 hours. At what time does it end? (a) 15:20 (b) 14:20 (c) 13:20
  23. 23.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 22:35 (c) 20:35
  24. 24.What is 14:25 in 12-hour time? (a) 2:25 a.m. (b) 2:25 p.m. (c) 4:25 p.m.
  25. 25.A film is 1 hour 50 minutes long. How many minutes is that?
  26. 26.How many hours are there from 08:00 to 15:00?
  27. 27.What is 17:55 in 12-hour time? (a) 5:55 p.m. (b) 7:55 p.m. (c) 5:55 a.m.
  28. 28.A match starts at 08:00 and lasts 3 hours. At what time does it end? (a) 12:00 (b) 11:00 (c) 10:00
  29. 29.What is 21:00 in 12-hour time? (a) 9:00 p.m. (b) 9:00 a.m. (c) 11:00 p.m.
  30. 30.How many hours are there from 09:00 to 19:00?
  31. 31.A match starts at 14:20 and lasts 2 hours 15 minutes. At what time does it end? (a) 17:35 (b) 16:35 (c) 15:35
  32. 32.How many hours are there from 08:00 to 21:00?
  33. 33.How many hours are there from 07:00 to 09:00?
  34. 34.Write 5:25 p.m. in 24-hour time. (a) 19:25 (b) 17:25 (c) 05:25
  35. 35.A film is 1 hour 35 minutes long. How many minutes is that?
  36. 36.Write 3:40 a.m. in 24-hour time. (a) 05:40 (b) 15:40 (c) 03:40
  37. 37.A film is 1 hour 25 minutes long. How many minutes is that?
  38. 38.How many hours are there from 11:00 to 13:00?
  39. 39.A match starts at 07:00 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:15 (b) 08:15 (c) 07:15
  40. 40.A match starts at 18:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 23:20 (b) 22:20 (c) 21:20

Answer key

  1. 15
  2. 6:10 a.m.
  3. 2
  4. 15:20
  5. 2:55 p.m.
  6. 11:55
  7. 8:50 a.m.
  8. 70
  9. 11:05
  10. 260
  11. 11:10
  12. 13:50
  13. 05:55
  14. 190
  15. 20:35
  16. 05:25
  17. 5
  18. 185
  19. 23:55
  20. 175
  21. 7:05 p.m.
  22. 14:20
  23. 20:35
  24. 2:25 p.m.
  25. 110
  26. 7
  27. 5:55 p.m.
  28. 11:00
  29. 9:00 p.m.
  30. 10
  31. 16:35
  32. 13
  33. 2
  34. 17:25
  35. 95
  36. 03:40
  37. 85
  38. 2
  39. 08:15
  40. 22:20

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