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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 702 · 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 3:50 a.m. in 24-hour time. (a) 05:50 (b) 15:50 (c) 03:50
  2. 2.Write 3:10 a.m. in 24-hour time. (a) 03:10 (b) 15:10 (c) 05:10
  3. 3.A match starts at 08:55 and lasts 2 hours 30 minutes. At what time does it end? (a) 10:25 (b) 11:25 (c) 12:25
  4. 4.How many hours are there from 12:00 to 22:00?
  5. 5.Write 2:25 p.m. in 24-hour time. (a) 16:25 (b) 02:25 (c) 14:25
  6. 6.A train leaves at 10:40 and reaches at 11:55. How long is the journey (in minutes)?
  7. 7.A train leaves at 08:50 and reaches at 09:25. How long is the journey (in minutes)?
  8. 8.A train leaves at 10:35 and reaches at 11:05. How long is the journey (in minutes)?
  9. 9.What is 02:50 in 12-hour time? (a) 2:50 a.m. (b) 2:50 p.m. (c) 4:50 a.m.
  10. 10.Write 5:30 a.m. in 24-hour time. (a) 05:30 (b) 07:30 (c) 17:30
  11. 11.A film is 3 hours 10 minutes long. How many minutes is that?
  12. 12.A film is 4 hours 45 minutes long. How many minutes is that?
  13. 13.A train leaves at 09:10 and reaches at 10:10. How long is the journey (in minutes)?
  14. 14.What is 15:35 in 12-hour time? (a) 3:35 a.m. (b) 5:35 p.m. (c) 3:35 p.m.
  15. 15.Write 10:15 p.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 00:15
  16. 16.What is 18:50 in 12-hour time? (a) 6:50 a.m. (b) 8:50 p.m. (c) 6:50 p.m.
  17. 17.How many hours are there from 09:00 to 18:00?
  18. 18.How many hours are there from 08:00 to 12:00?
  19. 19.Write 7:50 p.m. in 24-hour time. (a) 07:50 (b) 19:50 (c) 21:50
  20. 20.A film is 2 hours 10 minutes long. How many minutes is that?
  21. 21.Write 9:55 a.m. in 24-hour time. (a) 11:55 (b) 21:55 (c) 09:55
  22. 22.Write 2:55 p.m. in 24-hour time. (a) 14:55 (b) 02:55 (c) 16:55
  23. 23.A match starts at 08:00 and lasts 1 hour. At what time does it end? (a) 10:00 (b) 08:00 (c) 09:00
  24. 24.Write 10:05 a.m. in 24-hour time. (a) 10:05 (b) 12:05 (c) 22:05
  25. 25.A film is 2 hours 45 minutes long. How many minutes is that?
  26. 26.What is 14:30 in 12-hour time? (a) 2:30 a.m. (b) 2:30 p.m. (c) 4:30 p.m.
  27. 27.A train leaves at 09:50 and reaches at 12:20. How long is the journey (in minutes)?
  28. 28.A train leaves at 19:40 and reaches at 20:05. How long is the journey (in minutes)?
  29. 29.What is 04:00 in 12-hour time? (a) 4:00 a.m. (b) 4:00 p.m. (c) 6:00 a.m.
  30. 30.How many hours are there from 08:00 to 22:00?
  31. 31.A match starts at 16:45 and lasts 4 hours 55 minutes. At what time does it end? (a) 22:40 (b) 20:40 (c) 21:40
  32. 32.Write 6:15 p.m. in 24-hour time. (a) 18:15 (b) 20:15 (c) 06:15
  33. 33.A train leaves at 15:45 and reaches at 17:05. How long is the journey (in minutes)?
  34. 34.A film is 4 hours 15 minutes long. How many minutes is that?
  35. 35.What is 02:10 in 12-hour time? (a) 2:10 p.m. (b) 2:10 a.m. (c) 4:10 a.m.
  36. 36.How many hours are there from 09:00 to 17:00?
  37. 37.A match starts at 10:05 and lasts 2 hours. At what time does it end? (a) 12:05 (b) 11:05 (c) 13:05
  38. 38.What is 17:30 in 12-hour time? (a) 7:30 p.m. (b) 5:30 a.m. (c) 5:30 p.m.
  39. 39.How many hours are there from 11:00 to 18:00?
  40. 40.A film is 3 hours 15 minutes long. How many minutes is that?

Answer key

  1. 03:50
  2. 03:10
  3. 11:25
  4. 10
  5. 14:25
  6. 75
  7. 35
  8. 30
  9. 2:50 a.m.
  10. 05:30
  11. 190
  12. 285
  13. 60
  14. 3:35 p.m.
  15. 22:15
  16. 6:50 p.m.
  17. 9
  18. 4
  19. 19:50
  20. 130
  21. 09:55
  22. 14:55
  23. 09:00
  24. 10:05
  25. 165
  26. 2:30 p.m.
  27. 150
  28. 25
  29. 4:00 a.m.
  30. 14
  31. 21:40
  32. 18:15
  33. 80
  34. 255
  35. 2:10 a.m.
  36. 8
  37. 12:05
  38. 5:30 p.m.
  39. 7
  40. 195

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