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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 560 · 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 4:40 a.m. in 24-hour time. (a) 04:40 (b) 06:40 (c) 16:40
  2. 2.How many hours are there from 09:00 to 16:00?
  3. 3.Write 8:10 a.m. in 24-hour time. (a) 20:10 (b) 10:10 (c) 08:10
  4. 4.A match starts at 12:10 and lasts 3 hours 5 minutes. At what time does it end? (a) 15:15 (b) 14:15 (c) 16:15
  5. 5.A film is 4 hours 20 minutes long. How many minutes is that?
  6. 6.A film is 4 hours 5 minutes long. How many minutes is that?
  7. 7.A train leaves at 07:30 and reaches at 09:50. How long is the journey (in minutes)?
  8. 8.What is 04:15 in 12-hour time? (a) 4:15 a.m. (b) 4:15 p.m. (c) 6:15 a.m.
  9. 9.A film is 2 hours 50 minutes long. How many minutes is that?
  10. 10.Write 10:15 a.m. in 24-hour time. (a) 12:15 (b) 22:15 (c) 10:15
  11. 11.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 p.m. (c) 8:05 a.m.
  12. 12.What is 19:00 in 12-hour time? (a) 7:00 a.m. (b) 9:00 p.m. (c) 7:00 p.m.
  13. 13.Write 7:35 a.m. in 24-hour time. (a) 09:35 (b) 19:35 (c) 07:35
  14. 14.How many hours are there from 06:00 to 18:00?
  15. 15.A film is 1 hour 30 minutes long. How many minutes is that?
  16. 16.A film is 1 hour 20 minutes long. How many minutes is that?
  17. 17.A film is 3 hours 25 minutes long. How many minutes is that?
  18. 18.A train leaves at 14:00 and reaches at 16:30. How long is the journey (in minutes)?
  19. 19.A film is 2 hours 30 minutes long. How many minutes is that?
  20. 20.A train leaves at 09:05 and reaches at 10:00. How long is the journey (in minutes)?
  21. 21.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 a.m.
  22. 22.A film is 3 hours 10 minutes long. How many minutes is that?
  23. 23.Write 3:30 a.m. in 24-hour time. (a) 03:30 (b) 15:30 (c) 05:30
  24. 24.How many hours are there from 10:00 to 15:00?
  25. 25.A film is 3 hours 5 minutes long. How many minutes is that?
  26. 26.How many hours are there from 09:00 to 22:00?
  27. 27.How many hours are there from 07:00 to 20:00?
  28. 28.What is 16:00 in 12-hour time? (a) 6:00 p.m. (b) 4:00 p.m. (c) 4:00 a.m.
  29. 29.Write 10:10 p.m. in 24-hour time. (a) 00:10 (b) 10:10 (c) 22:10
  30. 30.What is 16:25 in 12-hour time? (a) 4:25 p.m. (b) 4:25 a.m. (c) 6:25 p.m.
  31. 31.A film is 4 hours 35 minutes long. How many minutes is that?
  32. 32.A train leaves at 13:20 and reaches at 14:40. How long is the journey (in minutes)?
  33. 33.A train leaves at 09:05 and reaches at 10:15. How long is the journey (in minutes)?
  34. 34.Write 4:15 p.m. in 24-hour time. (a) 04:15 (b) 18:15 (c) 16:15
  35. 35.A film is 2 hours 20 minutes long. How many minutes is that?
  36. 36.A match starts at 09:35 and lasts 2 hours 55 minutes. At what time does it end? (a) 11:30 (b) 13:30 (c) 12:30
  37. 37.A train leaves at 14:10 and reaches at 16:00. How long is the journey (in minutes)?
  38. 38.How many hours are there from 05:00 to 11:00?
  39. 39.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 p.m. (c) 10:20 p.m.
  40. 40.A match starts at 16:35 and lasts 4 hours 10 minutes. At what time does it end? (a) 21:45 (b) 20:45 (c) 19:45

Answer key

  1. 04:40
  2. 7
  3. 08:10
  4. 15:15
  5. 260
  6. 245
  7. 140
  8. 4:15 a.m.
  9. 170
  10. 10:15
  11. 8:05 p.m.
  12. 7:00 p.m.
  13. 07:35
  14. 12
  15. 90
  16. 80
  17. 205
  18. 150
  19. 150
  20. 55
  21. 4:20 a.m.
  22. 190
  23. 03:30
  24. 5
  25. 185
  26. 13
  27. 13
  28. 4:00 p.m.
  29. 22:10
  30. 4:25 p.m.
  31. 275
  32. 80
  33. 70
  34. 16:15
  35. 140
  36. 12:30
  37. 110
  38. 6
  39. 10:20 p.m.
  40. 20:45

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