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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 209 · 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 9:10 p.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 23:10
  2. 2.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 3:05 p.m. (c) 5:05 p.m.
  3. 3.What is 21:10 in 12-hour time? (a) 9:10 a.m. (b) 9:10 p.m. (c) 11:10 p.m.
  4. 4.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 08:10 (c) 18:10
  5. 5.Write 7:40 p.m. in 24-hour time. (a) 21:40 (b) 19:40 (c) 07:40
  6. 6.A match starts at 12:10 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 14:15
  7. 7.Write 11:05 a.m. in 24-hour time. (a) 11:05 (b) 23:05 (c) 13:05
  8. 8.How many hours are there from 07:00 to 14:00?
  9. 9.Write 11:50 a.m. in 24-hour time. (a) 13:50 (b) 11:50 (c) 23:50
  10. 10.Write 5:05 a.m. in 24-hour time. (a) 07:05 (b) 17:05 (c) 05:05
  11. 11.A match starts at 06:20 and lasts 3 hours 30 minutes. At what time does it end? (a) 10:50 (b) 09:50 (c) 08:50
  12. 12.What is 22:30 in 12-hour time? (a) 12:30 p.m. (b) 10:30 p.m. (c) 10:30 a.m.
  13. 13.What is 09:55 in 12-hour time? (a) 9:55 p.m. (b) 11:55 a.m. (c) 9:55 a.m.
  14. 14.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 12:50 p.m. (c) 10:50 p.m.
  15. 15.A match starts at 11:35 and lasts 1 hour 25 minutes. At what time does it end? (a) 14:00 (b) 12:00 (c) 13:00
  16. 16.How many hours are there from 11:00 to 22:00?
  17. 17.A train leaves at 18:55 and reaches at 19:25. How long is the journey (in minutes)?
  18. 18.A train leaves at 16:10 and reaches at 16:45. How long is the journey (in minutes)?
  19. 19.How many hours are there from 05:00 to 16:00?
  20. 20.A match starts at 14:55 and lasts 1 hour 5 minutes. At what time does it end? (a) 17:00 (b) 16:00 (c) 15:00
  21. 21.A film is 4 hours 20 minutes long. How many minutes is that?
  22. 22.What is 06:50 in 12-hour time? (a) 6:50 a.m. (b) 8:50 a.m. (c) 6:50 p.m.
  23. 23.A match starts at 07:05 and lasts 4 hours 45 minutes. At what time does it end? (a) 10:50 (b) 12:50 (c) 11:50
  24. 24.What is 06:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 a.m. (c) 6:10 a.m.
  25. 25.How many hours are there from 06:00 to 23:00?
  26. 26.Write 2:30 a.m. in 24-hour time. (a) 02:30 (b) 14:30 (c) 04:30
  27. 27.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 01:15 (c) 13:15
  28. 28.What is 02:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 a.m.
  29. 29.A match starts at 14:50 and lasts 1 hour 45 minutes. At what time does it end? (a) 15:35 (b) 16:35 (c) 17:35
  30. 30.What is 08:00 in 12-hour time? (a) 8:00 p.m. (b) 10:00 a.m. (c) 8:00 a.m.
  31. 31.A film is 1 hour 50 minutes long. How many minutes is that?
  32. 32.A train leaves at 11:05 and reaches at 11:40. How long is the journey (in minutes)?
  33. 33.Write 5:45 p.m. in 24-hour time. (a) 19:45 (b) 05:45 (c) 17:45
  34. 34.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
  35. 35.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 18:05 (c) 04:05
  36. 36.What is 04:30 in 12-hour time? (a) 4:30 a.m. (b) 6:30 a.m. (c) 4:30 p.m.
  37. 37.A match starts at 17:40 and lasts 1 hour 5 minutes. At what time does it end? (a) 17:45 (b) 19:45 (c) 18:45
  38. 38.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 10:10 (c) 22:10
  39. 39.What is 14:40 in 12-hour time? (a) 2:40 p.m. (b) 2:40 a.m. (c) 4:40 p.m.
  40. 40.A match starts at 06:40 and lasts 1 hour 45 minutes. At what time does it end? (a) 08:25 (b) 07:25 (c) 09:25

Answer key

  1. 21:10
  2. 3:05 p.m.
  3. 9:10 p.m.
  4. 06:10
  5. 19:40
  6. 15:15
  7. 11:05
  8. 7
  9. 11:50
  10. 05:05
  11. 09:50
  12. 10:30 p.m.
  13. 9:55 a.m.
  14. 10:50 p.m.
  15. 13:00
  16. 11
  17. 30
  18. 35
  19. 11
  20. 16:00
  21. 260
  22. 6:50 a.m.
  23. 11:50
  24. 6:10 a.m.
  25. 17
  26. 02:30
  27. 13:15
  28. 2:05 a.m.
  29. 16:35
  30. 8:00 a.m.
  31. 110
  32. 35
  33. 17:45
  34. 20:00
  35. 16:05
  36. 4:30 a.m.
  37. 18:45
  38. 10:10
  39. 2:40 p.m.
  40. 08:25

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