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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 57 · 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.Write 2:05 a.m. in 24-hour time. (a) 14:05 (b) 04:05 (c) 02:05
  2. 2.A train leaves at 12:25 and reaches at 13:40. How long is the journey (in minutes)?
  3. 3.What is 21:55 in 12-hour time? (a) 9:55 a.m. (b) 9:55 p.m. (c) 11:55 p.m.
  4. 4.Write 9:30 p.m. in 24-hour time. (a) 23:30 (b) 21:30 (c) 09:30
  5. 5.A film is 2 hours 15 minutes long. How many minutes is that?
  6. 6.Write 9:00 a.m. in 24-hour time. (a) 21:00 (b) 09:00 (c) 11:00
  7. 7.A film is 1 hour 55 minutes long. How many minutes is that?
  8. 8.What is 18:25 in 12-hour time? (a) 6:25 a.m. (b) 6:25 p.m. (c) 8:25 p.m.
  9. 9.A train leaves at 07:15 and reaches at 08:35. How long is the journey (in minutes)?
  10. 10.A film is 4 hours 15 minutes long. How many minutes is that?
  11. 11.Write 11:25 p.m. in 24-hour time. (a) 11:25 (b) 23:25 (c) 01:25
  12. 12.How many hours are there from 12:00 to 22:00?
  13. 13.A train leaves at 07:30 and reaches at 09:45. How long is the journey (in minutes)?
  14. 14.What is 08:40 in 12-hour time? (a) 10:40 a.m. (b) 8:40 p.m. (c) 8:40 a.m.
  15. 15.Write 7:45 p.m. in 24-hour time. (a) 19:45 (b) 07:45 (c) 21:45
  16. 16.Write 1:35 a.m. in 24-hour time. (a) 01:35 (b) 03:35 (c) 13:35
  17. 17.How many hours are there from 12:00 to 18:00?
  18. 18.A film is 3 hours 10 minutes long. How many minutes is that?
  19. 19.A train leaves at 17:25 and reaches at 18:10. How long is the journey (in minutes)?
  20. 20.How many hours are there from 06:00 to 19:00?
  21. 21.A train leaves at 19:00 and reaches at 21:45. How long is the journey (in minutes)?
  22. 22.Write 8:50 a.m. in 24-hour time. (a) 10:50 (b) 08:50 (c) 20:50
  23. 23.Write 10:35 p.m. in 24-hour time. (a) 10:35 (b) 22:35 (c) 00:35
  24. 24.A film is 2 hours 10 minutes long. How many minutes is that?
  25. 25.How many hours are there from 06:00 to 10:00?
  26. 26.A film is 4 hours 35 minutes long. How many minutes is that?
  27. 27.Write 11:15 a.m. in 24-hour time. (a) 13:15 (b) 11:15 (c) 23:15
  28. 28.A film is 4 hours 30 minutes long. How many minutes is that?
  29. 29.How many hours are there from 09:00 to 15:00?
  30. 30.A match starts at 16:25 and lasts 2 hours. At what time does it end? (a) 19:25 (b) 18:25 (c) 17:25
  31. 31.A match starts at 07:00 and lasts 2 hours 5 minutes. At what time does it end? (a) 10:05 (b) 09:05 (c) 08:05
  32. 32.A film is 1 hour 15 minutes long. How many minutes is that?
  33. 33.How many hours are there from 11:00 to 22:00?
  34. 34.How many hours are there from 06:00 to 17:00?
  35. 35.Write 8:35 p.m. in 24-hour time. (a) 20:35 (b) 08:35 (c) 22:35
  36. 36.How many hours are there from 06:00 to 16:00?
  37. 37.A film is 1 hour 10 minutes long. How many minutes is that?
  38. 38.A match starts at 16:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 17:40 (b) 19:40 (c) 18:40
  39. 39.A train leaves at 06:20 and reaches at 08:50. How long is the journey (in minutes)?
  40. 40.A film is 1 hour 20 minutes long. How many minutes is that?

Answer key

  1. 02:05
  2. 75
  3. 9:55 p.m.
  4. 21:30
  5. 135
  6. 09:00
  7. 115
  8. 6:25 p.m.
  9. 80
  10. 255
  11. 23:25
  12. 10
  13. 135
  14. 8:40 a.m.
  15. 19:45
  16. 01:35
  17. 6
  18. 190
  19. 45
  20. 13
  21. 165
  22. 08:50
  23. 22:35
  24. 130
  25. 4
  26. 275
  27. 11:15
  28. 270
  29. 6
  30. 18:25
  31. 09:05
  32. 75
  33. 11
  34. 11
  35. 20:35
  36. 10
  37. 70
  38. 18:40
  39. 150
  40. 80

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