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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 377 · 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 3:55 p.m. in 24-hour time. (a) 03:55 (b) 17:55 (c) 15:55
  2. 2.What is 06:10 in 12-hour time? (a) 8:10 a.m. (b) 6:10 p.m. (c) 6:10 a.m.
  3. 3.Write 6:10 p.m. in 24-hour time. (a) 20:10 (b) 06:10 (c) 18:10
  4. 4.What is 15:20 in 12-hour time? (a) 5:20 p.m. (b) 3:20 a.m. (c) 3:20 p.m.
  5. 5.A match starts at 18:25 and lasts 3 hours 10 minutes. At what time does it end? (a) 21:35 (b) 22:35 (c) 20:35
  6. 6.What is 13:20 in 12-hour time? (a) 3:20 p.m. (b) 1:20 a.m. (c) 1:20 p.m.
  7. 7.What is 08:40 in 12-hour time? (a) 10:40 a.m. (b) 8:40 p.m. (c) 8:40 a.m.
  8. 8.How many hours are there from 05:00 to 08:00?
  9. 9.A film is 2 hours 5 minutes long. How many minutes is that?
  10. 10.A film is 2 hours 35 minutes long. How many minutes is that?
  11. 11.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 09:05 (c) 11:05
  12. 12.A train leaves at 08:15 and reaches at 09:20. How long is the journey (in minutes)?
  13. 13.What is 05:55 in 12-hour time? (a) 7:55 a.m. (b) 5:55 a.m. (c) 5:55 p.m.
  14. 14.A match starts at 08:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 14:35 (b) 13:35 (c) 12:35
  15. 15.A train leaves at 08:55 and reaches at 11:30. How long is the journey (in minutes)?
  16. 16.A match starts at 08:30 and lasts 3 hours 55 minutes. At what time does it end? (a) 12:25 (b) 11:25 (c) 13:25
  17. 17.What is 21:35 in 12-hour time? (a) 11:35 p.m. (b) 9:35 a.m. (c) 9:35 p.m.
  18. 18.What is 09:05 in 12-hour time? (a) 9:05 a.m. (b) 9:05 p.m. (c) 11:05 a.m.
  19. 19.A film is 4 hours 15 minutes long. How many minutes is that?
  20. 20.A match starts at 18:10 and lasts 2 hours 20 minutes. At what time does it end? (a) 21:30 (b) 19:30 (c) 20:30
  21. 21.A match starts at 16:20 and lasts 1 hour. At what time does it end? (a) 18:20 (b) 16:20 (c) 17:20
  22. 22.Write 5:45 p.m. in 24-hour time. (a) 05:45 (b) 17:45 (c) 19:45
  23. 23.Write 2:00 p.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 16:00
  24. 24.How many hours are there from 11:00 to 17:00?
  25. 25.How many hours are there from 11:00 to 14:00?
  26. 26.A film is 2 hours 20 minutes long. How many minutes is that?
  27. 27.A film is 3 hours 5 minutes long. How many minutes is that?
  28. 28.What is 22:05 in 12-hour time? (a) 12:05 p.m. (b) 10:05 a.m. (c) 10:05 p.m.
  29. 29.Write 5:50 p.m. in 24-hour time. (a) 05:50 (b) 17:50 (c) 19:50
  30. 30.A train leaves at 17:30 and reaches at 18:50. How long is the journey (in minutes)?
  31. 31.A film is 1 hour 15 minutes long. How many minutes is that?
  32. 32.A match starts at 08:45 and lasts 3 hours 35 minutes. At what time does it end? (a) 11:20 (b) 12:20 (c) 13:20
  33. 33.How many hours are there from 10:00 to 13:00?
  34. 34.Write 10:30 a.m. in 24-hour time. (a) 22:30 (b) 12:30 (c) 10:30
  35. 35.What is 05:05 in 12-hour time? (a) 5:05 p.m. (b) 7:05 a.m. (c) 5:05 a.m.
  36. 36.How many hours are there from 10:00 to 18:00?
  37. 37.A match starts at 11:25 and lasts 4 hours 45 minutes. At what time does it end? (a) 17:10 (b) 15:10 (c) 16:10
  38. 38.How many hours are there from 05:00 to 10:00?
  39. 39.Write 3:35 p.m. in 24-hour time. (a) 03:35 (b) 17:35 (c) 15:35
  40. 40.What is 06:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 a.m.

Answer key

  1. 15:55
  2. 6:10 a.m.
  3. 18:10
  4. 3:20 p.m.
  5. 21:35
  6. 1:20 p.m.
  7. 8:40 a.m.
  8. 3
  9. 125
  10. 155
  11. 09:05
  12. 65
  13. 5:55 a.m.
  14. 13:35
  15. 155
  16. 12:25
  17. 9:35 p.m.
  18. 9:05 a.m.
  19. 255
  20. 20:30
  21. 17:20
  22. 17:45
  23. 14:00
  24. 6
  25. 3
  26. 140
  27. 185
  28. 10:05 p.m.
  29. 17:50
  30. 80
  31. 75
  32. 12:20
  33. 3
  34. 10:30
  35. 5:05 a.m.
  36. 8
  37. 16:10
  38. 5
  39. 15:35
  40. 6:05 a.m.

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