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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 321 · 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 match starts at 16:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 18:10 (b) 17:10 (c) 19:10
  2. 2.Write 8:35 a.m. in 24-hour time. (a) 08:35 (b) 20:35 (c) 10:35
  3. 3.A film is 3 hours 30 minutes long. How many minutes is that?
  4. 4.A match starts at 08:25 and lasts 2 hours 40 minutes. At what time does it end? (a) 12:05 (b) 11:05 (c) 10:05
  5. 5.A train leaves at 06:10 and reaches at 06:45. How long is the journey (in minutes)?
  6. 6.A film is 2 hours 10 minutes long. How many minutes is that?
  7. 7.A film is 4 hours 35 minutes long. How many minutes is that?
  8. 8.A film is 3 hours 20 minutes long. How many minutes is that?
  9. 9.A film is 4 hours 50 minutes long. How many minutes is that?
  10. 10.What is 16:20 in 12-hour time? (a) 6:20 p.m. (b) 4:20 a.m. (c) 4:20 p.m.
  11. 11.A train leaves at 09:10 and reaches at 11:45. How long is the journey (in minutes)?
  12. 12.What is 13:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 p.m. (c) 1:00 a.m.
  13. 13.A match starts at 18:25 and lasts 2 hours 40 minutes. At what time does it end? (a) 22:05 (b) 21:05 (c) 20:05
  14. 14.What is 20:45 in 12-hour time? (a) 8:45 a.m. (b) 10:45 p.m. (c) 8:45 p.m.
  15. 15.How many hours are there from 05:00 to 07:00?
  16. 16.A train leaves at 07:45 and reaches at 09:10. How long is the journey (in minutes)?
  17. 17.A film is 3 hours 15 minutes long. How many minutes is that?
  18. 18.Write 9:25 p.m. in 24-hour time. (a) 21:25 (b) 09:25 (c) 23:25
  19. 19.A train leaves at 10:05 and reaches at 10:45. How long is the journey (in minutes)?
  20. 20.How many hours are there from 10:00 to 23:00?
  21. 21.A film is 2 hours 35 minutes long. How many minutes is that?
  22. 22.A film is 1 hour 10 minutes long. How many minutes is that?
  23. 23.Write 8:05 a.m. in 24-hour time. (a) 20:05 (b) 10:05 (c) 08:05
  24. 24.A film is 2 hours 25 minutes long. How many minutes is that?
  25. 25.A film is 1 hour 15 minutes long. How many minutes is that?
  26. 26.How many hours are there from 06:00 to 19:00?
  27. 27.How many hours are there from 07:00 to 10:00?
  28. 28.A train leaves at 12:05 and reaches at 13:55. How long is the journey (in minutes)?
  29. 29.A film is 4 hours 55 minutes long. How many minutes is that?
  30. 30.How many hours are there from 06:00 to 18:00?
  31. 31.A match starts at 10:45 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:35 (b) 16:35 (c) 15:35
  32. 32.A train leaves at 19:15 and reaches at 21:20. How long is the journey (in minutes)?
  33. 33.Write 2:50 p.m. in 24-hour time. (a) 02:50 (b) 14:50 (c) 16:50
  34. 34.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 6:20 a.m. (c) 4:20 a.m.
  35. 35.A train leaves at 16:00 and reaches at 16:45. How long is the journey (in minutes)?
  36. 36.What is 14:00 in 12-hour time? (a) 2:00 p.m. (b) 2:00 a.m. (c) 4:00 p.m.
  37. 37.A match starts at 13:20 and lasts 2 hours 45 minutes. At what time does it end? (a) 16:05 (b) 15:05 (c) 17:05
  38. 38.A train leaves at 17:15 and reaches at 17:40. How long is the journey (in minutes)?
  39. 39.Write 2:35 p.m. in 24-hour time. (a) 14:35 (b) 16:35 (c) 02:35
  40. 40.What is 05:25 in 12-hour time? (a) 7:25 a.m. (b) 5:25 p.m. (c) 5:25 a.m.

Answer key

  1. 18:10
  2. 08:35
  3. 210
  4. 11:05
  5. 35
  6. 130
  7. 275
  8. 200
  9. 290
  10. 4:20 p.m.
  11. 155
  12. 1:00 p.m.
  13. 21:05
  14. 8:45 p.m.
  15. 2
  16. 85
  17. 195
  18. 21:25
  19. 40
  20. 13
  21. 155
  22. 70
  23. 08:05
  24. 145
  25. 75
  26. 13
  27. 3
  28. 110
  29. 295
  30. 12
  31. 15:35
  32. 125
  33. 14:50
  34. 4:20 a.m.
  35. 45
  36. 2:00 p.m.
  37. 16:05
  38. 25
  39. 14:35
  40. 5:25 a.m.

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