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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 43 · 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 16:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 p.m. (c) 4:10 p.m.
  2. 2.A film is 4 hours 15 minutes long. How many minutes is that?
  3. 3.A train leaves at 11:05 and reaches at 12:40. How long is the journey (in minutes)?
  4. 4.Write 8:10 a.m. in 24-hour time. (a) 08:10 (b) 20:10 (c) 10:10
  5. 5.A train leaves at 10:15 and reaches at 11:05. How long is the journey (in minutes)?
  6. 6.Write 5:00 p.m. in 24-hour time. (a) 19:00 (b) 05:00 (c) 17:00
  7. 7.How many hours are there from 07:00 to 18:00?
  8. 8.A film is 4 hours 35 minutes long. How many minutes is that?
  9. 9.What is 03:00 in 12-hour time? (a) 3:00 p.m. (b) 5:00 a.m. (c) 3:00 a.m.
  10. 10.What is 11:45 in 12-hour time? (a) 1:45 a.m. (b) 11:45 a.m. (c) 11:45 p.m.
  11. 11.A film is 3 hours 35 minutes long. How many minutes is that?
  12. 12.Write 10:45 a.m. in 24-hour time. (a) 10:45 (b) 12:45 (c) 22:45
  13. 13.A train leaves at 06:15 and reaches at 08:00. How long is the journey (in minutes)?
  14. 14.What is 19:30 in 12-hour time? (a) 7:30 p.m. (b) 9:30 p.m. (c) 7:30 a.m.
  15. 15.A match starts at 15:55 and lasts 1 hour 50 minutes. At what time does it end? (a) 18:45 (b) 17:45 (c) 16:45
  16. 16.A train leaves at 18:45 and reaches at 21:55. How long is the journey (in minutes)?
  17. 17.What is 14:05 in 12-hour time? (a) 2:05 p.m. (b) 4:05 p.m. (c) 2:05 a.m.
  18. 18.A film is 4 hours 50 minutes long. How many minutes is that?
  19. 19.How many hours are there from 08:00 to 15:00?
  20. 20.How many hours are there from 05:00 to 11:00?
  21. 21.How many hours are there from 11:00 to 19:00?
  22. 22.What is 15:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 p.m.
  23. 23.A train leaves at 12:35 and reaches at 15:05. How long is the journey (in minutes)?
  24. 24.A match starts at 17:20 and lasts 4 hours 40 minutes. At what time does it end? (a) 23:00 (b) 21:00 (c) 22:00
  25. 25.Write 1:00 a.m. in 24-hour time. (a) 03:00 (b) 13:00 (c) 01:00
  26. 26.How many hours are there from 06:00 to 08:00?
  27. 27.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 12:00
  28. 28.What is 18:20 in 12-hour time? (a) 6:20 p.m. (b) 8:20 p.m. (c) 6:20 a.m.
  29. 29.A match starts at 11:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 15:55 (b) 14:55 (c) 13:55
  30. 30.A train leaves at 10:55 and reaches at 11:35. How long is the journey (in minutes)?
  31. 31.A match starts at 09:05 and lasts 3 hours 50 minutes. At what time does it end? (a) 11:55 (b) 12:55 (c) 13:55
  32. 32.What is 04:00 in 12-hour time? (a) 6:00 a.m. (b) 4:00 p.m. (c) 4:00 a.m.
  33. 33.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 04:00 (c) 02:00
  34. 34.How many hours are there from 09:00 to 21:00?
  35. 35.A match starts at 17:45 and lasts 2 hours 40 minutes. At what time does it end? (a) 19:25 (b) 21:25 (c) 20:25
  36. 36.How many hours are there from 06:00 to 12:00?
  37. 37.What is 04:25 in 12-hour time? (a) 4:25 p.m. (b) 6:25 a.m. (c) 4:25 a.m.
  38. 38.Write 1:30 p.m. in 24-hour time. (a) 01:30 (b) 13:30 (c) 15:30
  39. 39.A film is 1 hour 40 minutes long. How many minutes is that?
  40. 40.A match starts at 08:40 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:55 (b) 09:55 (c) 08:55

Answer key

  1. 4:10 p.m.
  2. 255
  3. 95
  4. 08:10
  5. 50
  6. 17:00
  7. 11
  8. 275
  9. 3:00 a.m.
  10. 11:45 a.m.
  11. 215
  12. 10:45
  13. 105
  14. 7:30 p.m.
  15. 17:45
  16. 190
  17. 2:05 p.m.
  18. 290
  19. 7
  20. 6
  21. 8
  22. 3:50 p.m.
  23. 150
  24. 22:00
  25. 01:00
  26. 2
  27. 10:00
  28. 6:20 p.m.
  29. 14:55
  30. 40
  31. 12:55
  32. 4:00 a.m.
  33. 02:00
  34. 12
  35. 20:25
  36. 6
  37. 4:25 a.m.
  38. 13:30
  39. 100
  40. 09:55

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