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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 241 · 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 10:45 p.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 00:45
  2. 2.A film is 1 hour 35 minutes long. How many minutes is that?
  3. 3.What is 10:45 in 12-hour time? (a) 12:45 a.m. (b) 10:45 p.m. (c) 10:45 a.m.
  4. 4.A train leaves at 10:30 and reaches at 11:15. How long is the journey (in minutes)?
  5. 5.A train leaves at 12:30 and reaches at 13:40. How long is the journey (in minutes)?
  6. 6.Write 1:05 p.m. in 24-hour time. (a) 01:05 (b) 13:05 (c) 15:05
  7. 7.How many hours are there from 05:00 to 14:00?
  8. 8.Write 1:30 a.m. in 24-hour time. (a) 13:30 (b) 03:30 (c) 01:30
  9. 9.A match starts at 13:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 14:40 (b) 15:40 (c) 16:40
  10. 10.Write 11:40 p.m. in 24-hour time. (a) 01:40 (b) 11:40 (c) 23:40
  11. 11.A train leaves at 09:15 and reaches at 11:05. How long is the journey (in minutes)?
  12. 12.A train leaves at 07:05 and reaches at 07:55. How long is the journey (in minutes)?
  13. 13.A film is 4 hours 30 minutes long. How many minutes is that?
  14. 14.A match starts at 13:05 and lasts 1 hour 45 minutes. At what time does it end? (a) 15:50 (b) 13:50 (c) 14:50
  15. 15.A match starts at 12:50 and lasts 2 hours 50 minutes. At what time does it end? (a) 15:40 (b) 16:40 (c) 14:40
  16. 16.Write 3:30 a.m. in 24-hour time. (a) 05:30 (b) 15:30 (c) 03:30
  17. 17.A match starts at 18:15 and lasts 4 hours 5 minutes. At what time does it end? (a) 22:20 (b) 23:20 (c) 21:20
  18. 18.A film is 2 hours 45 minutes long. How many minutes is that?
  19. 19.How many hours are there from 08:00 to 13:00?
  20. 20.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 a.m. (c) 5:40 p.m.
  21. 21.How many hours are there from 07:00 to 09:00?
  22. 22.Write 4:30 p.m. in 24-hour time. (a) 04:30 (b) 16:30 (c) 18:30
  23. 23.How many hours are there from 08:00 to 19:00?
  24. 24.How many hours are there from 12:00 to 14:00?
  25. 25.A film is 4 hours 45 minutes long. How many minutes is that?
  26. 26.What is 14:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 p.m. (c) 2:35 a.m.
  27. 27.A match starts at 07:05 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:20 (b) 10:20 (c) 11:20
  28. 28.How many hours are there from 09:00 to 23:00?
  29. 29.Write 1:25 p.m. in 24-hour time. (a) 01:25 (b) 13:25 (c) 15:25
  30. 30.A match starts at 09:25 and lasts 2 hours 30 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 12:55
  31. 31.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 12:55 (c) 10:55
  32. 32.A match starts at 12:55 and lasts 3 hours 15 minutes. At what time does it end? (a) 16:10 (b) 17:10 (c) 15:10
  33. 33.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 15:50 (c) 03:50
  34. 34.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 17:05
  35. 35.What is 08:00 in 12-hour time? (a) 8:00 p.m. (b) 10:00 a.m. (c) 8:00 a.m.
  36. 36.How many hours are there from 09:00 to 20:00?
  37. 37.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 4:00 a.m. (c) 6:00 a.m.
  38. 38.Write 1:20 p.m. in 24-hour time. (a) 13:20 (b) 15:20 (c) 01:20
  39. 39.A film is 3 hours 35 minutes long. How many minutes is that?
  40. 40.Write 4:05 a.m. in 24-hour time. (a) 06:05 (b) 16:05 (c) 04:05

Answer key

  1. 22:45
  2. 95
  3. 10:45 a.m.
  4. 45
  5. 70
  6. 13:05
  7. 9
  8. 01:30
  9. 15:40
  10. 23:40
  11. 110
  12. 50
  13. 270
  14. 14:50
  15. 15:40
  16. 03:30
  17. 22:20
  18. 165
  19. 5
  20. 5:40 p.m.
  21. 2
  22. 16:30
  23. 11
  24. 2
  25. 285
  26. 2:35 p.m.
  27. 11:20
  28. 14
  29. 13:25
  30. 11:55
  31. 10:55
  32. 16:10
  33. 03:50
  34. 15:05
  35. 8:00 a.m.
  36. 11
  37. 4:00 a.m.
  38. 13:20
  39. 215
  40. 04:05

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