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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 378 · 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.What is 11:15 in 12-hour time? (a) 11:15 p.m. (b) 11:15 a.m. (c) 1:15 a.m.
  2. 2.A film is 1 hour 10 minutes long. How many minutes is that?
  3. 3.What is 10:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 a.m.
  4. 4.What is 14:15 in 12-hour time? (a) 4:15 p.m. (b) 2:15 a.m. (c) 2:15 p.m.
  5. 5.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 03:55 (c) 15:55
  6. 6.A film is 1 hour 55 minutes long. How many minutes is that?
  7. 7.Write 3:35 p.m. in 24-hour time. (a) 15:35 (b) 17:35 (c) 03:35
  8. 8.What is 16:35 in 12-hour time? (a) 4:35 p.m. (b) 4:35 a.m. (c) 6:35 p.m.
  9. 9.A train leaves at 17:55 and reaches at 20:55. How long is the journey (in minutes)?
  10. 10.A film is 4 hours 5 minutes long. How many minutes is that?
  11. 11.A film is 2 hours 20 minutes long. How many minutes is that?
  12. 12.What is 07:35 in 12-hour time? (a) 7:35 p.m. (b) 9:35 a.m. (c) 7:35 a.m.
  13. 13.Write 1:15 p.m. in 24-hour time. (a) 01:15 (b) 13:15 (c) 15:15
  14. 14.Write 6:50 p.m. in 24-hour time. (a) 06:50 (b) 20:50 (c) 18:50
  15. 15.A match starts at 17:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:45 (b) 18:45 (c) 19:45
  16. 16.A match starts at 08:15 and lasts 4 hours 55 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 14:10
  17. 17.A film is 4 hours 40 minutes long. How many minutes is that?
  18. 18.How many hours are there from 06:00 to 19:00?
  19. 19.What is 08:40 in 12-hour time? (a) 10:40 a.m. (b) 8:40 p.m. (c) 8:40 a.m.
  20. 20.A train leaves at 13:10 and reaches at 13:45. How long is the journey (in minutes)?
  21. 21.How many hours are there from 06:00 to 09:00?
  22. 22.How many hours are there from 06:00 to 10:00?
  23. 23.How many hours are there from 06:00 to 22:00?
  24. 24.Write 3:55 p.m. in 24-hour time. (a) 03:55 (b) 17:55 (c) 15:55
  25. 25.How many hours are there from 11:00 to 14:00?
  26. 26.A film is 3 hours 15 minutes long. How many minutes is that?
  27. 27.A film is 3 hours 20 minutes long. How many minutes is that?
  28. 28.A train leaves at 07:55 and reaches at 10:40. How long is the journey (in minutes)?
  29. 29.Write 8:50 a.m. in 24-hour time. (a) 20:50 (b) 08:50 (c) 10:50
  30. 30.A match starts at 09:05 and lasts 4 hours 35 minutes. At what time does it end? (a) 13:40 (b) 12:40 (c) 14:40
  31. 31.A film is 1 hour 40 minutes long. How many minutes is that?
  32. 32.A match starts at 14:25 and lasts 4 hours 50 minutes. At what time does it end? (a) 19:15 (b) 20:15 (c) 18:15
  33. 33.What is 09:45 in 12-hour time? (a) 11:45 a.m. (b) 9:45 a.m. (c) 9:45 p.m.
  34. 34.A film is 3 hours 25 minutes long. How many minutes is that?
  35. 35.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 11:05 a.m. (c) 9:05 a.m.
  36. 36.A match starts at 09:00 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:15 (b) 11:15 (c) 12:15
  37. 37.How many hours are there from 05:00 to 19:00?
  38. 38.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 02:20 (c) 14:20
  39. 39.Write 6:50 a.m. in 24-hour time. (a) 18:50 (b) 08:50 (c) 06:50
  40. 40.How many hours are there from 06:00 to 20:00?

Answer key

  1. 11:15 a.m.
  2. 70
  3. 10:45 a.m.
  4. 2:15 p.m.
  5. 03:55
  6. 115
  7. 15:35
  8. 4:35 p.m.
  9. 180
  10. 245
  11. 140
  12. 7:35 a.m.
  13. 13:15
  14. 18:50
  15. 18:45
  16. 13:10
  17. 280
  18. 13
  19. 8:40 a.m.
  20. 35
  21. 3
  22. 4
  23. 16
  24. 15:55
  25. 3
  26. 195
  27. 200
  28. 165
  29. 08:50
  30. 13:40
  31. 100
  32. 19:15
  33. 9:45 a.m.
  34. 205
  35. 9:05 a.m.
  36. 12:15
  37. 14
  38. 02:20
  39. 06:50
  40. 14

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