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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 688 · 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 06:00 to 14:00?
  2. 2.Write 1:30 p.m. in 24-hour time. (a) 15:30 (b) 01:30 (c) 13:30
  3. 3.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 05:55
  4. 4.What is 18:25 in 12-hour time? (a) 6:25 p.m. (b) 6:25 a.m. (c) 8:25 p.m.
  5. 5.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 9:40 p.m. (c) 11:40 p.m.
  6. 6.A match starts at 18:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 20:30 (b) 19:30 (c) 21:30
  7. 7.A match starts at 09:25 and lasts 3 hours 20 minutes. At what time does it end? (a) 11:45 (b) 13:45 (c) 12:45
  8. 8.A match starts at 18:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 19:50 (b) 20:50 (c) 18:50
  9. 9.How many hours are there from 08:00 to 16:00?
  10. 10.What is 09:25 in 12-hour time? (a) 11:25 a.m. (b) 9:25 p.m. (c) 9:25 a.m.
  11. 11.A film is 2 hours 40 minutes long. How many minutes is that?
  12. 12.A film is 1 hour 5 minutes long. How many minutes is that?
  13. 13.What is 02:00 in 12-hour time? (a) 2:00 a.m. (b) 4:00 a.m. (c) 2:00 p.m.
  14. 14.A match starts at 10:50 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:10 (b) 14:10 (c) 16:10
  15. 15.What is 02:50 in 12-hour time? (a) 2:50 a.m. (b) 4:50 a.m. (c) 2:50 p.m.
  16. 16.Write 7:40 p.m. in 24-hour time. (a) 21:40 (b) 19:40 (c) 07:40
  17. 17.A train leaves at 07:10 and reaches at 10:20. How long is the journey (in minutes)?
  18. 18.A match starts at 10:50 and lasts 2 hours 35 minutes. At what time does it end? (a) 12:25 (b) 14:25 (c) 13:25
  19. 19.What is 17:00 in 12-hour time? (a) 5:00 a.m. (b) 5:00 p.m. (c) 7:00 p.m.
  20. 20.How many hours are there from 05:00 to 11:00?
  21. 21.Write 6:45 p.m. in 24-hour time. (a) 18:45 (b) 20:45 (c) 06:45
  22. 22.A film is 1 hour 40 minutes long. How many minutes is that?
  23. 23.A film is 2 hours 15 minutes long. How many minutes is that?
  24. 24.What is 14:15 in 12-hour time? (a) 2:15 a.m. (b) 2:15 p.m. (c) 4:15 p.m.
  25. 25.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 15:35 (c) 03:35
  26. 26.What is 11:05 in 12-hour time? (a) 11:05 p.m. (b) 11:05 a.m. (c) 1:05 a.m.
  27. 27.How many hours are there from 08:00 to 11:00?
  28. 28.A film is 1 hour 35 minutes long. How many minutes is that?
  29. 29.A match starts at 06:05 and lasts 1 hour 20 minutes. At what time does it end? (a) 06:25 (b) 08:25 (c) 07:25
  30. 30.Write 4:40 p.m. in 24-hour time. (a) 18:40 (b) 16:40 (c) 04:40
  31. 31.Write 4:20 p.m. in 24-hour time. (a) 16:20 (b) 04:20 (c) 18:20
  32. 32.What is 18:35 in 12-hour time? (a) 6:35 a.m. (b) 8:35 p.m. (c) 6:35 p.m.
  33. 33.How many hours are there from 08:00 to 17:00?
  34. 34.What is 03:55 in 12-hour time? (a) 3:55 a.m. (b) 5:55 a.m. (c) 3:55 p.m.
  35. 35.A match starts at 09:55 and lasts 1 hour 10 minutes. At what time does it end? (a) 11:05 (b) 12:05 (c) 10:05
  36. 36.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 p.m.
  37. 37.What is 16:35 in 12-hour time? (a) 4:35 a.m. (b) 4:35 p.m. (c) 6:35 p.m.
  38. 38.A train leaves at 08:20 and reaches at 10:50. How long is the journey (in minutes)?
  39. 39.A train leaves at 07:45 and reaches at 08:35. How long is the journey (in minutes)?
  40. 40.How many hours are there from 08:00 to 10:00?

Answer key

  1. 8
  2. 13:30
  3. 03:55
  4. 6:25 p.m.
  5. 9:40 p.m.
  6. 20:30
  7. 12:45
  8. 19:50
  9. 8
  10. 9:25 a.m.
  11. 160
  12. 65
  13. 2:00 a.m.
  14. 15:10
  15. 2:50 a.m.
  16. 19:40
  17. 190
  18. 13:25
  19. 5:00 p.m.
  20. 6
  21. 18:45
  22. 100
  23. 135
  24. 2:15 p.m.
  25. 15:35
  26. 11:05 a.m.
  27. 3
  28. 95
  29. 07:25
  30. 16:40
  31. 16:20
  32. 6:35 p.m.
  33. 9
  34. 3:55 a.m.
  35. 11:05
  36. 1:55 p.m.
  37. 4:35 p.m.
  38. 150
  39. 50
  40. 2

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