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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 137 · 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 16:55 in 12-hour time? (a) 4:55 a.m. (b) 6:55 p.m. (c) 4:55 p.m.
  2. 2.Write 1:10 p.m. in 24-hour time. (a) 01:10 (b) 13:10 (c) 15:10
  3. 3.A film is 1 hour 45 minutes long. How many minutes is that?
  4. 4.A film is 1 hour 20 minutes long. How many minutes is that?
  5. 5.A film is 1 hour 40 minutes long. How many minutes is that?
  6. 6.A train leaves at 11:40 and reaches at 12:10. How long is the journey (in minutes)?
  7. 7.A match starts at 18:40 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:00 (b) 22:00 (c) 21:00
  8. 8.Write 10:20 p.m. in 24-hour time. (a) 10:20 (b) 22:20 (c) 00:20
  9. 9.A match starts at 14:45 and lasts 4 hours 40 minutes. At what time does it end? (a) 20:25 (b) 18:25 (c) 19:25
  10. 10.A film is 3 hours 20 minutes long. How many minutes is that?
  11. 11.A film is 4 hours 25 minutes long. How many minutes is that?
  12. 12.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 19:05
  13. 13.What is 05:50 in 12-hour time? (a) 7:50 a.m. (b) 5:50 p.m. (c) 5:50 a.m.
  14. 14.How many hours are there from 12:00 to 16:00?
  15. 15.A film is 4 hours 40 minutes long. How many minutes is that?
  16. 16.A train leaves at 18:30 and reaches at 21:40. How long is the journey (in minutes)?
  17. 17.How many hours are there from 06:00 to 20:00?
  18. 18.A film is 1 hour 15 minutes long. How many minutes is that?
  19. 19.What is 07:45 in 12-hour time? (a) 7:45 p.m. (b) 9:45 a.m. (c) 7:45 a.m.
  20. 20.What is 11:25 in 12-hour time? (a) 11:25 a.m. (b) 1:25 a.m. (c) 11:25 p.m.
  21. 21.How many hours are there from 07:00 to 14:00?
  22. 22.How many hours are there from 11:00 to 21:00?
  23. 23.How many hours are there from 10:00 to 21:00?
  24. 24.What is 16:00 in 12-hour time? (a) 6:00 p.m. (b) 4:00 p.m. (c) 4:00 a.m.
  25. 25.A match starts at 17:30 and lasts 1 hour 10 minutes. At what time does it end? (a) 19:40 (b) 18:40 (c) 17:40
  26. 26.A film is 4 hours 5 minutes long. How many minutes is that?
  27. 27.What is 13:30 in 12-hour time? (a) 1:30 a.m. (b) 3:30 p.m. (c) 1:30 p.m.
  28. 28.Write 10:00 a.m. in 24-hour time. (a) 12:00 (b) 10:00 (c) 22:00
  29. 29.How many hours are there from 08:00 to 11:00?
  30. 30.A train leaves at 17:25 and reaches at 18:00. How long is the journey (in minutes)?
  31. 31.A film is 4 hours 35 minutes long. How many minutes is that?
  32. 32.A match starts at 11:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:50 (b) 14:50 (c) 15:50
  33. 33.A train leaves at 19:05 and reaches at 20:35. How long is the journey (in minutes)?
  34. 34.What is 07:40 in 12-hour time? (a) 7:40 a.m. (b) 9:40 a.m. (c) 7:40 p.m.
  35. 35.Write 4:35 p.m. in 24-hour time. (a) 16:35 (b) 18:35 (c) 04:35
  36. 36.A train leaves at 11:35 and reaches at 14:50. How long is the journey (in minutes)?
  37. 37.Write 10:35 a.m. in 24-hour time. (a) 10:35 (b) 12:35 (c) 22:35
  38. 38.A match starts at 18:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 18:40 (b) 19:40 (c) 20:40
  39. 39.Write 7:10 p.m. in 24-hour time. (a) 19:10 (b) 21:10 (c) 07:10
  40. 40.A train leaves at 07:05 and reaches at 07:50. How long is the journey (in minutes)?

Answer key

  1. 4:55 p.m.
  2. 13:10
  3. 105
  4. 80
  5. 100
  6. 30
  7. 21:00
  8. 22:20
  9. 19:25
  10. 200
  11. 265
  12. 17:05
  13. 5:50 a.m.
  14. 4
  15. 280
  16. 190
  17. 14
  18. 75
  19. 7:45 a.m.
  20. 11:25 a.m.
  21. 7
  22. 10
  23. 11
  24. 4:00 p.m.
  25. 18:40
  26. 245
  27. 1:30 p.m.
  28. 10:00
  29. 3
  30. 35
  31. 275
  32. 14:50
  33. 90
  34. 7:40 a.m.
  35. 16:35
  36. 195
  37. 10:35
  38. 19:40
  39. 19:10
  40. 45

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