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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 681 · 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 1:50 a.m. in 24-hour time. (a) 03:50 (b) 01:50 (c) 13:50
  2. 2.How many hours are there from 10:00 to 22:00?
  3. 3.A train leaves at 10:40 and reaches at 11:15. How long is the journey (in minutes)?
  4. 4.A train leaves at 11:55 and reaches at 15:05. How long is the journey (in minutes)?
  5. 5.A train leaves at 08:40 and reaches at 10:45. How long is the journey (in minutes)?
  6. 6.A train leaves at 12:35 and reaches at 15:00. How long is the journey (in minutes)?
  7. 7.How many hours are there from 12:00 to 16:00?
  8. 8.A film is 4 hours 25 minutes long. How many minutes is that?
  9. 9.What is 14:00 in 12-hour time? (a) 4:00 p.m. (b) 2:00 p.m. (c) 2:00 a.m.
  10. 10.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 17:10 (c) 07:10
  11. 11.A film is 3 hours 20 minutes long. How many minutes is that?
  12. 12.A match starts at 06:50 and lasts 3 hours 50 minutes. At what time does it end? (a) 11:40 (b) 10:40 (c) 09:40
  13. 13.A train leaves at 09:45 and reaches at 10:20. How long is the journey (in minutes)?
  14. 14.A match starts at 15:25 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:55 (b) 19:55 (c) 18:55
  15. 15.What is 04:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 a.m. (c) 4:05 a.m.
  16. 16.How many hours are there from 11:00 to 23:00?
  17. 17.A film is 1 hour 15 minutes long. How many minutes is that?
  18. 18.What is 05:40 in 12-hour time? (a) 7:40 a.m. (b) 5:40 p.m. (c) 5:40 a.m.
  19. 19.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 p.m. (c) 3:30 p.m.
  20. 20.How many hours are there from 11:00 to 22:00?
  21. 21.A film is 1 hour 20 minutes long. How many minutes is that?
  22. 22.A match starts at 14:05 and lasts 4 hours 40 minutes. At what time does it end? (a) 19:45 (b) 18:45 (c) 17:45
  23. 23.Write 4:30 a.m. in 24-hour time. (a) 04:30 (b) 06:30 (c) 16:30
  24. 24.How many hours are there from 06:00 to 08:00?
  25. 25.A train leaves at 11:55 and reaches at 13:55. How long is the journey (in minutes)?
  26. 26.A train leaves at 11:50 and reaches at 13:45. How long is the journey (in minutes)?
  27. 27.What is 21:00 in 12-hour time? (a) 11:00 p.m. (b) 9:00 p.m. (c) 9:00 a.m.
  28. 28.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 12:50 p.m. (c) 10:50 p.m.
  29. 29.How many hours are there from 07:00 to 11:00?
  30. 30.A film is 1 hour 35 minutes long. How many minutes is that?
  31. 31.A match starts at 14:15 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:20 (b) 18:20 (c) 17:20
  32. 32.How many hours are there from 09:00 to 23:00?
  33. 33.A train leaves at 10:35 and reaches at 11:55. How long is the journey (in minutes)?
  34. 34.A train leaves at 14:05 and reaches at 17:10. How long is the journey (in minutes)?
  35. 35.How many hours are there from 08:00 to 20:00?
  36. 36.How many hours are there from 11:00 to 20:00?
  37. 37.A train leaves at 08:25 and reaches at 09:45. How long is the journey (in minutes)?
  38. 38.A film is 2 hours 10 minutes long. How many minutes is that?
  39. 39.Write 7:10 a.m. in 24-hour time. (a) 19:10 (b) 07:10 (c) 09:10
  40. 40.A match starts at 11:25 and lasts 4 hours 25 minutes. At what time does it end? (a) 14:50 (b) 16:50 (c) 15:50

Answer key

  1. 01:50
  2. 12
  3. 35
  4. 190
  5. 125
  6. 145
  7. 4
  8. 265
  9. 2:00 p.m.
  10. 05:10
  11. 200
  12. 10:40
  13. 35
  14. 19:55
  15. 4:05 a.m.
  16. 12
  17. 75
  18. 5:40 a.m.
  19. 3:30 p.m.
  20. 11
  21. 80
  22. 18:45
  23. 04:30
  24. 2
  25. 120
  26. 115
  27. 9:00 p.m.
  28. 10:50 p.m.
  29. 4
  30. 95
  31. 17:20
  32. 14
  33. 80
  34. 185
  35. 12
  36. 9
  37. 80
  38. 130
  39. 07:10
  40. 15:50

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