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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 919 · 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.A film is 4 hours 15 minutes long. How many minutes is that?
  2. 2.What is 16:30 in 12-hour time? (a) 4:30 a.m. (b) 6:30 p.m. (c) 4:30 p.m.
  3. 3.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 a.m. (c) 3:20 p.m.
  4. 4.What is 13:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 p.m.
  5. 5.A match starts at 06:50 and lasts 1 hour 5 minutes. At what time does it end? (a) 07:55 (b) 06:55 (c) 08:55
  6. 6.A film is 4 hours 55 minutes long. How many minutes is that?
  7. 7.What is 18:10 in 12-hour time? (a) 8:10 p.m. (b) 6:10 p.m. (c) 6:10 a.m.
  8. 8.Write 3:45 a.m. in 24-hour time. (a) 05:45 (b) 15:45 (c) 03:45
  9. 9.What is 14:00 in 12-hour time? (a) 2:00 a.m. (b) 4:00 p.m. (c) 2:00 p.m.
  10. 10.How many hours are there from 06:00 to 10:00?
  11. 11.A train leaves at 17:30 and reaches at 18:20. How long is the journey (in minutes)?
  12. 12.What is 04:55 in 12-hour time? (a) 4:55 a.m. (b) 6:55 a.m. (c) 4:55 p.m.
  13. 13.How many hours are there from 08:00 to 12:00?
  14. 14.A train leaves at 19:00 and reaches at 22:00. How long is the journey (in minutes)?
  15. 15.A film is 1 hour 55 minutes long. How many minutes is that?
  16. 16.Write 10:35 p.m. in 24-hour time. (a) 00:35 (b) 10:35 (c) 22:35
  17. 17.A film is 1 hour 5 minutes long. How many minutes is that?
  18. 18.How many hours are there from 05:00 to 10:00?
  19. 19.Write 4:05 p.m. in 24-hour time. (a) 18:05 (b) 04:05 (c) 16:05
  20. 20.A film is 3 hours 15 minutes long. How many minutes is that?
  21. 21.What is 21:40 in 12-hour time? (a) 11:40 p.m. (b) 9:40 a.m. (c) 9:40 p.m.
  22. 22.How many hours are there from 05:00 to 09:00?
  23. 23.Write 10:10 p.m. in 24-hour time. (a) 22:10 (b) 10:10 (c) 00:10
  24. 24.A train leaves at 16:40 and reaches at 18:30. How long is the journey (in minutes)?
  25. 25.Write 2:30 p.m. in 24-hour time. (a) 14:30 (b) 02:30 (c) 16:30
  26. 26.A train leaves at 11:35 and reaches at 14:30. How long is the journey (in minutes)?
  27. 27.Write 8:10 p.m. in 24-hour time. (a) 22:10 (b) 08:10 (c) 20:10
  28. 28.A train leaves at 19:10 and reaches at 20:45. How long is the journey (in minutes)?
  29. 29.What is 19:10 in 12-hour time? (a) 7:10 a.m. (b) 9:10 p.m. (c) 7:10 p.m.
  30. 30.Write 2:10 p.m. in 24-hour time. (a) 16:10 (b) 14:10 (c) 02:10
  31. 31.How many hours are there from 10:00 to 22:00?
  32. 32.A train leaves at 14:55 and reaches at 15:25. How long is the journey (in minutes)?
  33. 33.Write 6:15 a.m. in 24-hour time. (a) 08:15 (b) 06:15 (c) 18:15
  34. 34.A match starts at 18:35 and lasts 4 hours 50 minutes. At what time does it end? (a) 00:25 (b) 22:25 (c) 23:25
  35. 35.How many hours are there from 11:00 to 15:00?
  36. 36.What is 17:35 in 12-hour time? (a) 5:35 a.m. (b) 5:35 p.m. (c) 7:35 p.m.
  37. 37.What is 03:10 in 12-hour time? (a) 3:10 p.m. (b) 3:10 a.m. (c) 5:10 a.m.
  38. 38.Write 8:20 p.m. in 24-hour time. (a) 20:20 (b) 08:20 (c) 22:20
  39. 39.How many hours are there from 10:00 to 18:00?
  40. 40.What is 09:05 in 12-hour time? (a) 9:05 a.m. (b) 11:05 a.m. (c) 9:05 p.m.

Answer key

  1. 255
  2. 4:30 p.m.
  3. 3:20 a.m.
  4. 1:00 p.m.
  5. 07:55
  6. 295
  7. 6:10 p.m.
  8. 03:45
  9. 2:00 p.m.
  10. 4
  11. 50
  12. 4:55 a.m.
  13. 4
  14. 180
  15. 115
  16. 22:35
  17. 65
  18. 5
  19. 16:05
  20. 195
  21. 9:40 p.m.
  22. 4
  23. 22:10
  24. 110
  25. 14:30
  26. 175
  27. 20:10
  28. 95
  29. 7:10 p.m.
  30. 14:10
  31. 12
  32. 30
  33. 06:15
  34. 23:25
  35. 4
  36. 5:35 p.m.
  37. 3:10 a.m.
  38. 20:20
  39. 8
  40. 9:05 a.m.

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