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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 714 · 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.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 05:15 (c) 03:15
  2. 2.What is 11:00 in 12-hour time? (a) 11:00 p.m. (b) 11:00 a.m. (c) 1:00 a.m.
  3. 3.A match starts at 16:30 and lasts 3 hours 10 minutes. At what time does it end? (a) 19:40 (b) 20:40 (c) 18:40
  4. 4.Write 2:15 a.m. in 24-hour time. (a) 04:15 (b) 14:15 (c) 02:15
  5. 5.Write 1:35 a.m. in 24-hour time. (a) 03:35 (b) 13:35 (c) 01:35
  6. 6.How many hours are there from 10:00 to 14:00?
  7. 7.What is 23:25 in 12-hour time? (a) 1:25 p.m. (b) 11:25 a.m. (c) 11:25 p.m.
  8. 8.What is 17:35 in 12-hour time? (a) 5:35 a.m. (b) 5:35 p.m. (c) 7:35 p.m.
  9. 9.A match starts at 11:50 and lasts 1 hour 40 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
  10. 10.What is 15:30 in 12-hour time? (a) 5:30 p.m. (b) 3:30 a.m. (c) 3:30 p.m.
  11. 11.Write 6:30 a.m. in 24-hour time. (a) 18:30 (b) 08:30 (c) 06:30
  12. 12.A match starts at 06:10 and lasts 1 hour 55 minutes. At what time does it end? (a) 09:05 (b) 08:05 (c) 07:05
  13. 13.Write 9:15 p.m. in 24-hour time. (a) 21:15 (b) 09:15 (c) 23:15
  14. 14.A match starts at 15:55 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 18:05
  15. 15.What is 09:30 in 12-hour time? (a) 9:30 a.m. (b) 9:30 p.m. (c) 11:30 a.m.
  16. 16.A film is 4 hours 40 minutes long. How many minutes is that?
  17. 17.Write 7:50 a.m. in 24-hour time. (a) 09:50 (b) 19:50 (c) 07:50
  18. 18.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 06:30 (c) 04:30
  19. 19.A match starts at 06:25 and lasts 1 hour 30 minutes. At what time does it end? (a) 06:55 (b) 07:55 (c) 08:55
  20. 20.Write 3:10 p.m. in 24-hour time. (a) 03:10 (b) 17:10 (c) 15:10
  21. 21.How many hours are there from 12:00 to 21:00?
  22. 22.A train leaves at 09:40 and reaches at 12:05. How long is the journey (in minutes)?
  23. 23.Write 9:35 a.m. in 24-hour time. (a) 21:35 (b) 09:35 (c) 11:35
  24. 24.How many hours are there from 10:00 to 12:00?
  25. 25.Write 5:00 a.m. in 24-hour time. (a) 17:00 (b) 05:00 (c) 07:00
  26. 26.A match starts at 11:50 and lasts 4 hours 35 minutes. At what time does it end? (a) 17:25 (b) 15:25 (c) 16:25
  27. 27.What is 22:40 in 12-hour time? (a) 12:40 p.m. (b) 10:40 p.m. (c) 10:40 a.m.
  28. 28.A match starts at 09:40 and lasts 2 hours 30 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 11:10
  29. 29.A train leaves at 14:45 and reaches at 17:30. How long is the journey (in minutes)?
  30. 30.What is 15:10 in 12-hour time? (a) 3:10 a.m. (b) 3:10 p.m. (c) 5:10 p.m.
  31. 31.What is 09:10 in 12-hour time? (a) 9:10 p.m. (b) 11:10 a.m. (c) 9:10 a.m.
  32. 32.A train leaves at 07:30 and reaches at 08:40. How long is the journey (in minutes)?
  33. 33.A film is 1 hour 15 minutes long. How many minutes is that?
  34. 34.A train leaves at 07:05 and reaches at 10:20. How long is the journey (in minutes)?
  35. 35.A match starts at 12:30 and lasts 2 hours 20 minutes. At what time does it end? (a) 15:50 (b) 14:50 (c) 13:50
  36. 36.Write 6:00 p.m. in 24-hour time. (a) 20:00 (b) 18:00 (c) 06:00
  37. 37.A film is 3 hours 50 minutes long. How many minutes is that?
  38. 38.A train leaves at 15:25 and reaches at 17:55. How long is the journey (in minutes)?
  39. 39.A match starts at 12:20 and lasts 2 hours 15 minutes. At what time does it end? (a) 15:35 (b) 13:35 (c) 14:35
  40. 40.How many hours are there from 05:00 to 12:00?

Answer key

  1. 03:15
  2. 11:00 a.m.
  3. 19:40
  4. 02:15
  5. 01:35
  6. 4
  7. 11:25 p.m.
  8. 5:35 p.m.
  9. 13:30
  10. 3:30 p.m.
  11. 06:30
  12. 08:05
  13. 21:15
  14. 17:05
  15. 9:30 a.m.
  16. 280
  17. 07:50
  18. 04:30
  19. 07:55
  20. 15:10
  21. 9
  22. 145
  23. 09:35
  24. 2
  25. 05:00
  26. 16:25
  27. 10:40 p.m.
  28. 12:10
  29. 165
  30. 3:10 p.m.
  31. 9:10 a.m.
  32. 70
  33. 75
  34. 195
  35. 14:50
  36. 18:00
  37. 230
  38. 150
  39. 14:35
  40. 7

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