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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 109 · 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 12:00 to 16:00?
  2. 2.How many hours are there from 06:00 to 13:00?
  3. 3.A match starts at 13:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 13:45 (b) 14:45 (c) 15:45
  4. 4.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 04:00 (c) 02:00
  5. 5.Write 9:20 a.m. in 24-hour time. (a) 21:20 (b) 09:20 (c) 11:20
  6. 6.A train leaves at 07:10 and reaches at 07:50. How long is the journey (in minutes)?
  7. 7.What is 05:25 in 12-hour time? (a) 7:25 a.m. (b) 5:25 p.m. (c) 5:25 a.m.
  8. 8.What is 23:50 in 12-hour time? (a) 11:50 p.m. (b) 11:50 a.m. (c) 1:50 p.m.
  9. 9.Write 5:25 a.m. in 24-hour time. (a) 05:25 (b) 07:25 (c) 17:25
  10. 10.How many hours are there from 09:00 to 16:00?
  11. 11.A train leaves at 16:00 and reaches at 17:00. How long is the journey (in minutes)?
  12. 12.A film is 2 hours 45 minutes long. How many minutes is that?
  13. 13.Write 2:45 p.m. in 24-hour time. (a) 14:45 (b) 16:45 (c) 02:45
  14. 14.A film is 3 hours 50 minutes long. How many minutes is that?
  15. 15.A film is 3 hours 5 minutes long. How many minutes is that?
  16. 16.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
  17. 17.A match starts at 18:25 and lasts 3 hours 25 minutes. At what time does it end? (a) 20:50 (b) 21:50 (c) 22:50
  18. 18.A train leaves at 07:10 and reaches at 09:55. How long is the journey (in minutes)?
  19. 19.A film is 1 hour 55 minutes long. How many minutes is that?
  20. 20.How many hours are there from 10:00 to 14:00?
  21. 21.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 3:40 a.m. (c) 1:40 a.m.
  22. 22.A match starts at 09:35 and lasts 4 hours 20 minutes. At what time does it end? (a) 13:55 (b) 12:55 (c) 14:55
  23. 23.A match starts at 18:55 and lasts 4 hours 30 minutes. At what time does it end? (a) 23:25 (b) 00:25 (c) 22:25
  24. 24.Write 3:50 p.m. in 24-hour time. (a) 17:50 (b) 15:50 (c) 03:50
  25. 25.What is 13:50 in 12-hour time? (a) 1:50 p.m. (b) 3:50 p.m. (c) 1:50 a.m.
  26. 26.A film is 1 hour 5 minutes long. How many minutes is that?
  27. 27.What is 19:55 in 12-hour time? (a) 7:55 p.m. (b) 7:55 a.m. (c) 9:55 p.m.
  28. 28.A film is 3 hours 15 minutes long. How many minutes is that?
  29. 29.A match starts at 16:40 and lasts 3 hours 55 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 19:35
  30. 30.A match starts at 16:30 and lasts 1 hour. At what time does it end? (a) 16:30 (b) 17:30 (c) 18:30
  31. 31.What is 02:15 in 12-hour time? (a) 2:15 a.m. (b) 2:15 p.m. (c) 4:15 a.m.
  32. 32.Write 7:00 p.m. in 24-hour time. (a) 07:00 (b) 19:00 (c) 21:00
  33. 33.How many hours are there from 09:00 to 14:00?
  34. 34.What is 13:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 p.m.
  35. 35.How many hours are there from 10:00 to 19:00?
  36. 36.A train leaves at 19:45 and reaches at 23:00. How long is the journey (in minutes)?
  37. 37.What is 04:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 a.m. (c) 4:20 p.m.
  38. 38.A match starts at 14:15 and lasts 3 hours 15 minutes. At what time does it end? (a) 18:30 (b) 17:30 (c) 16:30
  39. 39.A film is 3 hours 35 minutes long. How many minutes is that?
  40. 40.What is 08:00 in 12-hour time? (a) 8:00 p.m. (b) 10:00 a.m. (c) 8:00 a.m.

Answer key

  1. 4
  2. 7
  3. 14:45
  4. 02:00
  5. 09:20
  6. 40
  7. 5:25 a.m.
  8. 11:50 p.m.
  9. 05:25
  10. 7
  11. 60
  12. 165
  13. 14:45
  14. 230
  15. 185
  16. 20:00
  17. 21:50
  18. 165
  19. 115
  20. 4
  21. 1:40 a.m.
  22. 13:55
  23. 23:25
  24. 15:50
  25. 1:50 p.m.
  26. 65
  27. 7:55 p.m.
  28. 195
  29. 20:35
  30. 17:30
  31. 2:15 a.m.
  32. 19:00
  33. 5
  34. 1:40 p.m.
  35. 9
  36. 195
  37. 4:20 a.m.
  38. 17:30
  39. 215
  40. 8:00 a.m.

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