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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 136 · 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 1 hour 5 minutes long. How many minutes is that?
  2. 2.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 05:55
  3. 3.A film is 2 hours 30 minutes long. How many minutes is that?
  4. 4.Write 1:40 a.m. in 24-hour time. (a) 03:40 (b) 01:40 (c) 13:40
  5. 5.A match starts at 08:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 12:30 (b) 11:30 (c) 10:30
  6. 6.A train leaves at 08:25 and reaches at 10:10. How long is the journey (in minutes)?
  7. 7.A match starts at 17:50 and lasts 4 hours 30 minutes. At what time does it end? (a) 23:20 (b) 22:20 (c) 21:20
  8. 8.What is 23:55 in 12-hour time? (a) 1:55 p.m. (b) 11:55 p.m. (c) 11:55 a.m.
  9. 9.A film is 2 hours 45 minutes long. How many minutes is that?
  10. 10.A film is 1 hour 35 minutes long. How many minutes is that?
  11. 11.What is 08:35 in 12-hour time? (a) 8:35 p.m. (b) 10:35 a.m. (c) 8:35 a.m.
  12. 12.What is 06:00 in 12-hour time? (a) 6:00 a.m. (b) 8:00 a.m. (c) 6:00 p.m.
  13. 13.Write 3:10 p.m. in 24-hour time. (a) 03:10 (b) 15:10 (c) 17:10
  14. 14.What is 20:25 in 12-hour time? (a) 8:25 p.m. (b) 10:25 p.m. (c) 8:25 a.m.
  15. 15.Write 2:05 a.m. in 24-hour time. (a) 04:05 (b) 14:05 (c) 02:05
  16. 16.A train leaves at 12:40 and reaches at 15:35. How long is the journey (in minutes)?
  17. 17.What is 03:55 in 12-hour time? (a) 3:55 p.m. (b) 3:55 a.m. (c) 5:55 a.m.
  18. 18.How many hours are there from 11:00 to 16:00?
  19. 19.What is 19:15 in 12-hour time? (a) 7:15 p.m. (b) 9:15 p.m. (c) 7:15 a.m.
  20. 20.A film is 3 hours 5 minutes long. How many minutes is that?
  21. 21.A film is 1 hour 50 minutes long. How many minutes is that?
  22. 22.A film is 2 hours 40 minutes long. How many minutes is that?
  23. 23.How many hours are there from 10:00 to 22:00?
  24. 24.How many hours are there from 06:00 to 13:00?
  25. 25.How many hours are there from 09:00 to 20:00?
  26. 26.A match starts at 09:30 and lasts 1 hour 40 minutes. At what time does it end? (a) 10:10 (b) 11:10 (c) 12:10
  27. 27.A match starts at 11:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 14:25
  28. 28.A train leaves at 10:55 and reaches at 11:25. How long is the journey (in minutes)?
  29. 29.A film is 1 hour 45 minutes long. How many minutes is that?
  30. 30.A film is 3 hours 10 minutes long. How many minutes is that?
  31. 31.How many hours are there from 08:00 to 14:00?
  32. 32.How many hours are there from 11:00 to 22:00?
  33. 33.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 11:05 (c) 09:05
  34. 34.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 a.m. (c) 3:15 p.m.
  35. 35.Write 11:30 p.m. in 24-hour time. (a) 01:30 (b) 11:30 (c) 23:30
  36. 36.How many hours are there from 11:00 to 21:00?
  37. 37.How many hours are there from 05:00 to 16:00?
  38. 38.Write 6:50 a.m. in 24-hour time. (a) 18:50 (b) 08:50 (c) 06:50
  39. 39.A film is 3 hours 50 minutes long. How many minutes is that?
  40. 40.Write 8:30 p.m. in 24-hour time. (a) 22:30 (b) 08:30 (c) 20:30

Answer key

  1. 65
  2. 03:55
  3. 150
  4. 01:40
  5. 11:30
  6. 105
  7. 22:20
  8. 11:55 p.m.
  9. 165
  10. 95
  11. 8:35 a.m.
  12. 6:00 a.m.
  13. 15:10
  14. 8:25 p.m.
  15. 02:05
  16. 175
  17. 3:55 a.m.
  18. 5
  19. 7:15 p.m.
  20. 185
  21. 110
  22. 160
  23. 12
  24. 7
  25. 11
  26. 11:10
  27. 13:25
  28. 30
  29. 105
  30. 190
  31. 6
  32. 11
  33. 09:05
  34. 3:15 a.m.
  35. 23:30
  36. 10
  37. 11
  38. 06:50
  39. 230
  40. 20:30

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