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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 95 · 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.How many hours are there from 06:00 to 11:00?
  2. 2.A film is 1 hour 30 minutes long. How many minutes is that?
  3. 3.What is 19:25 in 12-hour time? (a) 9:25 p.m. (b) 7:25 p.m. (c) 7:25 a.m.
  4. 4.Write 5:30 a.m. in 24-hour time. (a) 05:30 (b) 07:30 (c) 17:30
  5. 5.A match starts at 08:55 and lasts 1 hour 5 minutes. At what time does it end? (a) 09:00 (b) 11:00 (c) 10:00
  6. 6.A film is 2 hours 25 minutes long. How many minutes is that?
  7. 7.Write 4:10 p.m. in 24-hour time. (a) 18:10 (b) 04:10 (c) 16:10
  8. 8.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 02:35 (c) 14:35
  9. 9.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 12:45 (c) 10:45
  10. 10.A film is 1 hour 35 minutes long. How many minutes is that?
  11. 11.A train leaves at 10:30 and reaches at 11:10. How long is the journey (in minutes)?
  12. 12.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 a.m. (c) 2:25 p.m.
  13. 13.How many hours are there from 05:00 to 13:00?
  14. 14.How many hours are there from 07:00 to 18:00?
  15. 15.How many hours are there from 08:00 to 21:00?
  16. 16.How many hours are there from 10:00 to 19:00?
  17. 17.A film is 3 hours 25 minutes long. How many minutes is that?
  18. 18.A train leaves at 12:05 and reaches at 12:40. How long is the journey (in minutes)?
  19. 19.What is 16:05 in 12-hour time? (a) 4:05 a.m. (b) 6:05 p.m. (c) 4:05 p.m.
  20. 20.How many hours are there from 11:00 to 13:00?
  21. 21.What is 01:15 in 12-hour time? (a) 1:15 a.m. (b) 3:15 a.m. (c) 1:15 p.m.
  22. 22.A match starts at 08:10 and lasts 4 hours 20 minutes. At what time does it end? (a) 13:30 (b) 12:30 (c) 11:30
  23. 23.Write 3:25 p.m. in 24-hour time. (a) 15:25 (b) 17:25 (c) 03:25
  24. 24.What is 09:25 in 12-hour time? (a) 9:25 a.m. (b) 9:25 p.m. (c) 11:25 a.m.
  25. 25.What is 10:50 in 12-hour time? (a) 12:50 a.m. (b) 10:50 p.m. (c) 10:50 a.m.
  26. 26.A film is 1 hour 25 minutes long. How many minutes is that?
  27. 27.A film is 4 hours 15 minutes long. How many minutes is that?
  28. 28.A film is 4 hours 45 minutes long. How many minutes is that?
  29. 29.What is 08:15 in 12-hour time? (a) 8:15 a.m. (b) 8:15 p.m. (c) 10:15 a.m.
  30. 30.How many hours are there from 08:00 to 17:00?
  31. 31.A train leaves at 15:25 and reaches at 17:50. How long is the journey (in minutes)?
  32. 32.A match starts at 07:55 and lasts 4 hours 50 minutes. At what time does it end? (a) 11:45 (b) 13:45 (c) 12:45
  33. 33.What is 23:55 in 12-hour time? (a) 11:55 a.m. (b) 1:55 p.m. (c) 11:55 p.m.
  34. 34.What is 21:00 in 12-hour time? (a) 9:00 a.m. (b) 11:00 p.m. (c) 9:00 p.m.
  35. 35.Write 2:30 a.m. in 24-hour time. (a) 14:30 (b) 04:30 (c) 02:30
  36. 36.How many hours are there from 06:00 to 18:00?
  37. 37.A film is 2 hours 5 minutes long. How many minutes is that?
  38. 38.Write 9:20 p.m. in 24-hour time. (a) 23:20 (b) 09:20 (c) 21:20
  39. 39.What is 01:35 in 12-hour time? (a) 3:35 a.m. (b) 1:35 p.m. (c) 1:35 a.m.
  40. 40.Write 3:55 p.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 17:55

Answer key

  1. 5
  2. 90
  3. 7:25 p.m.
  4. 05:30
  5. 10:00
  6. 145
  7. 16:10
  8. 02:35
  9. 10:45
  10. 95
  11. 40
  12. 2:25 a.m.
  13. 8
  14. 11
  15. 13
  16. 9
  17. 205
  18. 35
  19. 4:05 p.m.
  20. 2
  21. 1:15 a.m.
  22. 12:30
  23. 15:25
  24. 9:25 a.m.
  25. 10:50 a.m.
  26. 85
  27. 255
  28. 285
  29. 8:15 a.m.
  30. 9
  31. 145
  32. 12:45
  33. 11:55 p.m.
  34. 9:00 p.m.
  35. 02:30
  36. 12
  37. 125
  38. 21:20
  39. 1:35 a.m.
  40. 15:55

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