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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 240 · 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.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 4:05 p.m. (c) 2:05 p.m.
  2. 2.A film is 4 hours 25 minutes long. How many minutes is that?
  3. 3.What is 08:00 in 12-hour time? (a) 10:00 a.m. (b) 8:00 a.m. (c) 8:00 p.m.
  4. 4.A train leaves at 06:05 and reaches at 06:40. How long is the journey (in minutes)?
  5. 5.A train leaves at 06:05 and reaches at 08:05. How long is the journey (in minutes)?
  6. 6.A train leaves at 09:20 and reaches at 10:30. How long is the journey (in minutes)?
  7. 7.A film is 3 hours 30 minutes long. How many minutes is that?
  8. 8.A film is 1 hour 30 minutes long. How many minutes is that?
  9. 9.What is 23:30 in 12-hour time? (a) 1:30 p.m. (b) 11:30 a.m. (c) 11:30 p.m.
  10. 10.A match starts at 14:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 17:10 (b) 16:10 (c) 15:10
  11. 11.Write 8:40 p.m. in 24-hour time. (a) 20:40 (b) 08:40 (c) 22:40
  12. 12.How many hours are there from 10:00 to 15:00?
  13. 13.A match starts at 13:20 and lasts 1 hour. At what time does it end? (a) 15:20 (b) 14:20 (c) 13:20
  14. 14.Write 1:35 p.m. in 24-hour time. (a) 01:35 (b) 13:35 (c) 15:35
  15. 15.A film is 1 hour 25 minutes long. How many minutes is that?
  16. 16.A match starts at 06:45 and lasts 4 hours 50 minutes. At what time does it end? (a) 11:35 (b) 10:35 (c) 12:35
  17. 17.Write 5:00 a.m. in 24-hour time. (a) 07:00 (b) 05:00 (c) 17:00
  18. 18.What is 16:05 in 12-hour time? (a) 4:05 a.m. (b) 4:05 p.m. (c) 6:05 p.m.
  19. 19.How many hours are there from 11:00 to 21:00?
  20. 20.What is 18:35 in 12-hour time? (a) 6:35 a.m. (b) 6:35 p.m. (c) 8:35 p.m.
  21. 21.What is 11:50 in 12-hour time? (a) 11:50 p.m. (b) 1:50 a.m. (c) 11:50 a.m.
  22. 22.Write 11:25 a.m. in 24-hour time. (a) 23:25 (b) 13:25 (c) 11:25
  23. 23.Write 10:50 a.m. in 24-hour time. (a) 12:50 (b) 10:50 (c) 22:50
  24. 24.What is 09:10 in 12-hour time? (a) 9:10 p.m. (b) 9:10 a.m. (c) 11:10 a.m.
  25. 25.What is 17:30 in 12-hour time? (a) 7:30 p.m. (b) 5:30 a.m. (c) 5:30 p.m.
  26. 26.A train leaves at 10:10 and reaches at 12:50. How long is the journey (in minutes)?
  27. 27.A train leaves at 09:25 and reaches at 10:35. How long is the journey (in minutes)?
  28. 28.Write 1:30 a.m. in 24-hour time. (a) 01:30 (b) 03:30 (c) 13:30
  29. 29.Write 5:20 a.m. in 24-hour time. (a) 07:20 (b) 17:20 (c) 05:20
  30. 30.A train leaves at 16:00 and reaches at 18:30. How long is the journey (in minutes)?
  31. 31.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 05:45 (c) 03:45
  32. 32.What is 08:30 in 12-hour time? (a) 10:30 a.m. (b) 8:30 p.m. (c) 8:30 a.m.
  33. 33.A match starts at 16:15 and lasts 2 hours 10 minutes. At what time does it end? (a) 19:25 (b) 17:25 (c) 18:25
  34. 34.A film is 3 hours 10 minutes long. How many minutes is that?
  35. 35.How many hours are there from 06:00 to 23:00?
  36. 36.A film is 1 hour 45 minutes long. How many minutes is that?
  37. 37.How many hours are there from 09:00 to 15:00?
  38. 38.A train leaves at 07:10 and reaches at 08:15. How long is the journey (in minutes)?
  39. 39.Write 9:20 p.m. in 24-hour time. (a) 23:20 (b) 09:20 (c) 21:20
  40. 40.How many hours are there from 05:00 to 11:00?

Answer key

  1. 2:05 p.m.
  2. 265
  3. 8:00 a.m.
  4. 35
  5. 120
  6. 70
  7. 210
  8. 90
  9. 11:30 p.m.
  10. 16:10
  11. 20:40
  12. 5
  13. 14:20
  14. 13:35
  15. 85
  16. 11:35
  17. 05:00
  18. 4:05 p.m.
  19. 10
  20. 6:35 p.m.
  21. 11:50 a.m.
  22. 11:25
  23. 10:50
  24. 9:10 a.m.
  25. 5:30 p.m.
  26. 160
  27. 70
  28. 01:30
  29. 05:20
  30. 150
  31. 03:45
  32. 8:30 a.m.
  33. 18:25
  34. 190
  35. 17
  36. 105
  37. 6
  38. 65
  39. 21:20
  40. 6

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