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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 111 · 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.A train leaves at 08:55 and reaches at 09:35. How long is the journey (in minutes)?
  2. 2.How many hours are there from 12:00 to 15:00?
  3. 3.A train leaves at 07:20 and reaches at 08:45. How long is the journey (in minutes)?
  4. 4.Write 4:55 a.m. in 24-hour time. (a) 04:55 (b) 06:55 (c) 16:55
  5. 5.Write 10:20 a.m. in 24-hour time. (a) 22:20 (b) 10:20 (c) 12:20
  6. 6.What is 09:45 in 12-hour time? (a) 9:45 p.m. (b) 11:45 a.m. (c) 9:45 a.m.
  7. 7.Write 2:25 p.m. in 24-hour time. (a) 14:25 (b) 02:25 (c) 16:25
  8. 8.A train leaves at 07:15 and reaches at 08:55. How long is the journey (in minutes)?
  9. 9.A train leaves at 08:45 and reaches at 09:20. How long is the journey (in minutes)?
  10. 10.A match starts at 10:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 11:15 (b) 12:15 (c) 13:15
  11. 11.Write 10:40 p.m. in 24-hour time. (a) 00:40 (b) 10:40 (c) 22:40
  12. 12.Write 5:05 a.m. in 24-hour time. (a) 07:05 (b) 17:05 (c) 05:05
  13. 13.Write 10:05 a.m. in 24-hour time. (a) 12:05 (b) 10:05 (c) 22:05
  14. 14.How many hours are there from 11:00 to 16:00?
  15. 15.How many hours are there from 05:00 to 22:00?
  16. 16.A film is 1 hour 40 minutes long. How many minutes is that?
  17. 17.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 4:20 p.m. (c) 6:20 p.m.
  18. 18.A film is 2 hours 20 minutes long. How many minutes is that?
  19. 19.A film is 2 hours 25 minutes long. How many minutes is that?
  20. 20.A film is 1 hour 25 minutes long. How many minutes is that?
  21. 21.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 p.m. (c) 5:40 a.m.
  22. 22.What is 02:10 in 12-hour time? (a) 2:10 p.m. (b) 2:10 a.m. (c) 4:10 a.m.
  23. 23.A film is 4 hours 15 minutes long. How many minutes is that?
  24. 24.A film is 1 hour 10 minutes long. How many minutes is that?
  25. 25.A film is 4 hours 45 minutes long. How many minutes is that?
  26. 26.A match starts at 18:15 and lasts 3 hours 45 minutes. At what time does it end? (a) 21:00 (b) 23:00 (c) 22:00
  27. 27.A train leaves at 07:05 and reaches at 10:15. How long is the journey (in minutes)?
  28. 28.How many hours are there from 10:00 to 20:00?
  29. 29.A match starts at 11:55 and lasts 4 hours 15 minutes. At what time does it end? (a) 16:10 (b) 17:10 (c) 15:10
  30. 30.Write 3:30 p.m. in 24-hour time. (a) 15:30 (b) 03:30 (c) 17:30
  31. 31.Write 8:25 p.m. in 24-hour time. (a) 20:25 (b) 08:25 (c) 22:25
  32. 32.A film is 3 hours 55 minutes long. How many minutes is that?
  33. 33.A match starts at 17:15 and lasts 1 hour 25 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 19:40
  34. 34.A match starts at 16:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 18:30 (b) 20:30 (c) 19:30
  35. 35.How many hours are there from 08:00 to 13:00?
  36. 36.Write 10:55 a.m. in 24-hour time. (a) 10:55 (b) 12:55 (c) 22:55
  37. 37.A match starts at 11:45 and lasts 3 hours 40 minutes. At what time does it end? (a) 16:25 (b) 15:25 (c) 14:25
  38. 38.Write 1:55 p.m. in 24-hour time. (a) 15:55 (b) 13:55 (c) 01:55
  39. 39.A film is 3 hours 40 minutes long. How many minutes is that?
  40. 40.A match starts at 18:05 and lasts 4 hours 45 minutes. At what time does it end? (a) 23:50 (b) 22:50 (c) 21:50

Answer key

  1. 40
  2. 3
  3. 85
  4. 04:55
  5. 10:20
  6. 9:45 a.m.
  7. 14:25
  8. 100
  9. 35
  10. 12:15
  11. 22:40
  12. 05:05
  13. 10:05
  14. 5
  15. 17
  16. 100
  17. 4:20 p.m.
  18. 140
  19. 145
  20. 85
  21. 5:40 p.m.
  22. 2:10 a.m.
  23. 255
  24. 70
  25. 285
  26. 22:00
  27. 190
  28. 10
  29. 16:10
  30. 15:30
  31. 20:25
  32. 235
  33. 18:40
  34. 19:30
  35. 5
  36. 10:55
  37. 15:25
  38. 13:55
  39. 220
  40. 22:50

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