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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 957 · 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 01:25 in 12-hour time? (a) 3:25 a.m. (b) 1:25 a.m. (c) 1:25 p.m.
  2. 2.How many hours are there from 07:00 to 12:00?
  3. 3.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 14:55 (c) 02:55
  4. 4.A film is 1 hour 50 minutes long. How many minutes is that?
  5. 5.What is 04:45 in 12-hour time? (a) 4:45 p.m. (b) 4:45 a.m. (c) 6:45 a.m.
  6. 6.Write 8:35 p.m. in 24-hour time. (a) 20:35 (b) 08:35 (c) 22:35
  7. 7.A film is 1 hour 35 minutes long. How many minutes is that?
  8. 8.A film is 1 hour 10 minutes long. How many minutes is that?
  9. 9.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 1:55 p.m. (c) 3:55 p.m.
  10. 10.What is 01:55 in 12-hour time? (a) 3:55 a.m. (b) 1:55 p.m. (c) 1:55 a.m.
  11. 11.What is 09:50 in 12-hour time? (a) 9:50 p.m. (b) 9:50 a.m. (c) 11:50 a.m.
  12. 12.A film is 3 hours 5 minutes long. How many minutes is that?
  13. 13.How many hours are there from 09:00 to 18:00?
  14. 14.A film is 3 hours 20 minutes long. How many minutes is that?
  15. 15.A train leaves at 14:25 and reaches at 15:30. How long is the journey (in minutes)?
  16. 16.A match starts at 13:05 and lasts 4 hours. At what time does it end? (a) 16:05 (b) 17:05 (c) 18:05
  17. 17.A train leaves at 16:55 and reaches at 18:40. How long is the journey (in minutes)?
  18. 18.A match starts at 18:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 22:35 (b) 00:35 (c) 23:35
  19. 19.Write 7:15 p.m. in 24-hour time. (a) 19:15 (b) 21:15 (c) 07:15
  20. 20.Write 10:20 a.m. in 24-hour time. (a) 12:20 (b) 10:20 (c) 22:20
  21. 21.A film is 4 hours 10 minutes long. How many minutes is that?
  22. 22.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 09:05 (c) 07:05
  23. 23.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 03:10 (c) 15:10
  24. 24.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 3:40 a.m. (c) 5:40 p.m.
  25. 25.What is 22:45 in 12-hour time? (a) 10:45 a.m. (b) 10:45 p.m. (c) 12:45 p.m.
  26. 26.How many hours are there from 11:00 to 21:00?
  27. 27.What is 17:25 in 12-hour time? (a) 7:25 p.m. (b) 5:25 a.m. (c) 5:25 p.m.
  28. 28.What is 05:55 in 12-hour time? (a) 5:55 p.m. (b) 7:55 a.m. (c) 5:55 a.m.
  29. 29.How many hours are there from 08:00 to 15:00?
  30. 30.How many hours are there from 05:00 to 14:00?
  31. 31.A match starts at 11:40 and lasts 2 hours 15 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 12:55
  32. 32.How many hours are there from 05:00 to 23:00?
  33. 33.A train leaves at 19:50 and reaches at 21:30. How long is the journey (in minutes)?
  34. 34.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 p.m. (c) 3:30 p.m.
  35. 35.Write 11:00 p.m. in 24-hour time. (a) 01:00 (b) 23:00 (c) 11:00
  36. 36.A train leaves at 09:25 and reaches at 12:30. How long is the journey (in minutes)?
  37. 37.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 a.m. (c) 2:00 p.m.
  38. 38.A film is 3 hours 15 minutes long. How many minutes is that?
  39. 39.Write 8:00 a.m. in 24-hour time. (a) 10:00 (b) 08:00 (c) 20:00
  40. 40.A match starts at 12:30 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:15 (b) 17:15 (c) 15:15

Answer key

  1. 1:25 a.m.
  2. 5
  3. 14:55
  4. 110
  5. 4:45 a.m.
  6. 20:35
  7. 95
  8. 70
  9. 1:55 p.m.
  10. 1:55 a.m.
  11. 9:50 a.m.
  12. 185
  13. 9
  14. 200
  15. 65
  16. 17:05
  17. 105
  18. 23:35
  19. 19:15
  20. 10:20
  21. 250
  22. 07:05
  23. 15:10
  24. 3:40 p.m.
  25. 10:45 p.m.
  26. 10
  27. 5:25 p.m.
  28. 5:55 a.m.
  29. 7
  30. 9
  31. 13:55
  32. 18
  33. 100
  34. 3:30 p.m.
  35. 23:00
  36. 185
  37. 2:00 a.m.
  38. 195
  39. 08:00
  40. 16:15

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