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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 339 · 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 05:00 to 11:00?
  2. 2.Write 8:55 p.m. in 24-hour time. (a) 20:55 (b) 22:55 (c) 08:55
  3. 3.Write 8:40 p.m. in 24-hour time. (a) 20:40 (b) 08:40 (c) 22:40
  4. 4.A film is 4 hours 10 minutes long. How many minutes is that?
  5. 5.What is 09:30 in 12-hour time? (a) 9:30 p.m. (b) 9:30 a.m. (c) 11:30 a.m.
  6. 6.What is 08:10 in 12-hour time? (a) 8:10 a.m. (b) 8:10 p.m. (c) 10:10 a.m.
  7. 7.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 04:10
  8. 8.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
  9. 9.A train leaves at 09:50 and reaches at 12:30. How long is the journey (in minutes)?
  10. 10.A film is 2 hours 45 minutes long. How many minutes is that?
  11. 11.Write 8:15 a.m. in 24-hour time. (a) 10:15 (b) 08:15 (c) 20:15
  12. 12.A train leaves at 09:05 and reaches at 09:45. How long is the journey (in minutes)?
  13. 13.How many hours are there from 10:00 to 20:00?
  14. 14.How many hours are there from 10:00 to 18:00?
  15. 15.A film is 3 hours 35 minutes long. How many minutes is that?
  16. 16.How many hours are there from 12:00 to 14:00?
  17. 17.A match starts at 06:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:25 (b) 07:25 (c) 08:25
  18. 18.Write 11:00 p.m. in 24-hour time. (a) 01:00 (b) 23:00 (c) 11:00
  19. 19.Write 8:50 p.m. in 24-hour time. (a) 22:50 (b) 08:50 (c) 20:50
  20. 20.What is 17:15 in 12-hour time? (a) 5:15 a.m. (b) 7:15 p.m. (c) 5:15 p.m.
  21. 21.How many hours are there from 08:00 to 23:00?
  22. 22.A film is 4 hours 20 minutes long. How many minutes is that?
  23. 23.How many hours are there from 09:00 to 13:00?
  24. 24.A train leaves at 08:25 and reaches at 11:10. How long is the journey (in minutes)?
  25. 25.Write 4:05 a.m. in 24-hour time. (a) 04:05 (b) 16:05 (c) 06:05
  26. 26.A film is 3 hours 55 minutes long. How many minutes is that?
  27. 27.A train leaves at 16:40 and reaches at 19:25. How long is the journey (in minutes)?
  28. 28.A match starts at 15:45 and lasts 4 hours 40 minutes. At what time does it end? (a) 20:25 (b) 19:25 (c) 21:25
  29. 29.Write 4:15 a.m. in 24-hour time. (a) 04:15 (b) 06:15 (c) 16:15
  30. 30.A film is 1 hour 55 minutes long. How many minutes is that?
  31. 31.What is 11:15 in 12-hour time? (a) 11:15 p.m. (b) 11:15 a.m. (c) 1:15 a.m.
  32. 32.A train leaves at 16:45 and reaches at 19:05. How long is the journey (in minutes)?
  33. 33.Write 4:45 p.m. in 24-hour time. (a) 04:45 (b) 16:45 (c) 18:45
  34. 34.What is 01:25 in 12-hour time? (a) 1:25 p.m. (b) 3:25 a.m. (c) 1:25 a.m.
  35. 35.A film is 1 hour 50 minutes long. How many minutes is that?
  36. 36.A train leaves at 15:50 and reaches at 16:45. How long is the journey (in minutes)?
  37. 37.What is 18:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 p.m.
  38. 38.What is 08:25 in 12-hour time? (a) 8:25 p.m. (b) 8:25 a.m. (c) 10:25 a.m.
  39. 39.Write 11:10 p.m. in 24-hour time. (a) 23:10 (b) 11:10 (c) 01:10
  40. 40.How many hours are there from 06:00 to 13:00?

Answer key

  1. 6
  2. 20:55
  3. 20:40
  4. 250
  5. 9:30 a.m.
  6. 8:10 a.m.
  7. 02:10
  8. 20:00
  9. 160
  10. 165
  11. 08:15
  12. 40
  13. 10
  14. 8
  15. 215
  16. 2
  17. 08:25
  18. 23:00
  19. 20:50
  20. 5:15 p.m.
  21. 15
  22. 260
  23. 4
  24. 165
  25. 04:05
  26. 235
  27. 165
  28. 20:25
  29. 04:15
  30. 115
  31. 11:15 a.m.
  32. 140
  33. 16:45
  34. 1:25 a.m.
  35. 110
  36. 55
  37. 6:50 p.m.
  38. 8:25 a.m.
  39. 23:10
  40. 7

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