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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 168 · 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 10:05 in 12-hour time? (a) 12:05 a.m. (b) 10:05 p.m. (c) 10:05 a.m.
  2. 2.What is 06:40 in 12-hour time? (a) 6:40 p.m. (b) 8:40 a.m. (c) 6:40 a.m.
  3. 3.A film is 3 hours 5 minutes long. How many minutes is that?
  4. 4.Write 5:20 a.m. in 24-hour time. (a) 07:20 (b) 17:20 (c) 05:20
  5. 5.A train leaves at 12:15 and reaches at 14:25. How long is the journey (in minutes)?
  6. 6.A train leaves at 19:45 and reaches at 21:30. How long is the journey (in minutes)?
  7. 7.What is 18:35 in 12-hour time? (a) 6:35 p.m. (b) 8:35 p.m. (c) 6:35 a.m.
  8. 8.How many hours are there from 08:00 to 16:00?
  9. 9.A film is 2 hours 25 minutes long. How many minutes is that?
  10. 10.How many hours are there from 08:00 to 11:00?
  11. 11.A film is 2 hours 50 minutes long. How many minutes is that?
  12. 12.Write 8:00 p.m. in 24-hour time. (a) 22:00 (b) 20:00 (c) 08:00
  13. 13.How many hours are there from 11:00 to 22:00?
  14. 14.How many hours are there from 09:00 to 12:00?
  15. 15.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 10:45 (c) 08:45
  16. 16.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 p.m. (c) 1:05 a.m.
  17. 17.What is 14:20 in 12-hour time? (a) 4:20 p.m. (b) 2:20 p.m. (c) 2:20 a.m.
  18. 18.A film is 4 hours 20 minutes long. How many minutes is that?
  19. 19.A film is 4 hours 35 minutes long. How many minutes is that?
  20. 20.A train leaves at 08:00 and reaches at 10:10. How long is the journey (in minutes)?
  21. 21.A match starts at 16:55 and lasts 3 hours 55 minutes. At what time does it end? (a) 20:50 (b) 19:50 (c) 21:50
  22. 22.What is 04:10 in 12-hour time? (a) 4:10 p.m. (b) 6:10 a.m. (c) 4:10 a.m.
  23. 23.How many hours are there from 09:00 to 23:00?
  24. 24.A film is 2 hours 5 minutes long. How many minutes is that?
  25. 25.How many hours are there from 12:00 to 16:00?
  26. 26.A film is 1 hour 35 minutes long. How many minutes is that?
  27. 27.How many hours are there from 07:00 to 10:00?
  28. 28.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 12:00
  29. 29.Write 6:20 p.m. in 24-hour time. (a) 20:20 (b) 18:20 (c) 06:20
  30. 30.Write 2:25 a.m. in 24-hour time. (a) 04:25 (b) 14:25 (c) 02:25
  31. 31.A train leaves at 17:50 and reaches at 20:45. How long is the journey (in minutes)?
  32. 32.How many hours are there from 11:00 to 15:00?
  33. 33.How many hours are there from 08:00 to 10:00?
  34. 34.A train leaves at 17:20 and reaches at 18:50. How long is the journey (in minutes)?
  35. 35.A film is 4 hours 25 minutes long. How many minutes is that?
  36. 36.What is 15:35 in 12-hour time? (a) 5:35 p.m. (b) 3:35 a.m. (c) 3:35 p.m.
  37. 37.Write 3:25 p.m. in 24-hour time. (a) 17:25 (b) 03:25 (c) 15:25
  38. 38.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 p.m.
  39. 39.What is 23:15 in 12-hour time? (a) 1:15 p.m. (b) 11:15 p.m. (c) 11:15 a.m.
  40. 40.A train leaves at 11:25 and reaches at 13:10. How long is the journey (in minutes)?

Answer key

  1. 10:05 a.m.
  2. 6:40 a.m.
  3. 185
  4. 05:20
  5. 130
  6. 105
  7. 6:35 p.m.
  8. 8
  9. 145
  10. 3
  11. 170
  12. 20:00
  13. 11
  14. 3
  15. 08:45
  16. 1:05 p.m.
  17. 2:20 p.m.
  18. 260
  19. 275
  20. 130
  21. 20:50
  22. 4:10 a.m.
  23. 14
  24. 125
  25. 4
  26. 95
  27. 3
  28. 10:00
  29. 18:20
  30. 02:25
  31. 175
  32. 4
  33. 2
  34. 90
  35. 265
  36. 3:35 p.m.
  37. 15:25
  38. 8:05 p.m.
  39. 11:15 p.m.
  40. 105

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