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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 649 · 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 3:45 p.m. in 24-hour time. (a) 17:45 (b) 15:45 (c) 03:45
  2. 2.A film is 3 hours 30 minutes long. How many minutes is that?
  3. 3.A film is 3 hours 40 minutes long. How many minutes is that?
  4. 4.How many hours are there from 10:00 to 18:00?
  5. 5.How many hours are there from 09:00 to 15:00?
  6. 6.How many hours are there from 08:00 to 23:00?
  7. 7.How many hours are there from 10:00 to 14:00?
  8. 8.How many hours are there from 09:00 to 14:00?
  9. 9.A film is 2 hours 10 minutes long. How many minutes is that?
  10. 10.A train leaves at 14:25 and reaches at 16:45. How long is the journey (in minutes)?
  11. 11.A match starts at 07:25 and lasts 2 hours 10 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 08:35
  12. 12.What is 22:05 in 12-hour time? (a) 12:05 p.m. (b) 10:05 p.m. (c) 10:05 a.m.
  13. 13.A film is 1 hour 45 minutes long. How many minutes is that?
  14. 14.A film is 2 hours 55 minutes long. How many minutes is that?
  15. 15.A train leaves at 06:05 and reaches at 06:45. How long is the journey (in minutes)?
  16. 16.How many hours are there from 12:00 to 17:00?
  17. 17.A train leaves at 13:55 and reaches at 16:40. How long is the journey (in minutes)?
  18. 18.What is 01:20 in 12-hour time? (a) 1:20 a.m. (b) 1:20 p.m. (c) 3:20 a.m.
  19. 19.A match starts at 08:40 and lasts 2 hours 30 minutes. At what time does it end? (a) 11:10 (b) 10:10 (c) 12:10
  20. 20.A film is 2 hours 15 minutes long. How many minutes is that?
  21. 21.What is 17:10 in 12-hour time? (a) 7:10 p.m. (b) 5:10 a.m. (c) 5:10 p.m.
  22. 22.Write 2:25 p.m. in 24-hour time. (a) 14:25 (b) 16:25 (c) 02:25
  23. 23.Write 1:15 a.m. in 24-hour time. (a) 01:15 (b) 03:15 (c) 13:15
  24. 24.A film is 3 hours 20 minutes long. How many minutes is that?
  25. 25.Write 5:15 p.m. in 24-hour time. (a) 05:15 (b) 19:15 (c) 17:15
  26. 26.A train leaves at 10:25 and reaches at 11:25. How long is the journey (in minutes)?
  27. 27.A train leaves at 19:45 and reaches at 22:20. How long is the journey (in minutes)?
  28. 28.A film is 1 hour 5 minutes long. How many minutes is that?
  29. 29.What is 22:00 in 12-hour time? (a) 12:00 p.m. (b) 10:00 a.m. (c) 10:00 p.m.
  30. 30.Write 8:15 a.m. in 24-hour time. (a) 20:15 (b) 08:15 (c) 10:15
  31. 31.What is 11:40 in 12-hour time? (a) 11:40 p.m. (b) 1:40 a.m. (c) 11:40 a.m.
  32. 32.Write 2:45 a.m. in 24-hour time. (a) 02:45 (b) 04:45 (c) 14:45
  33. 33.A train leaves at 10:50 and reaches at 13:25. How long is the journey (in minutes)?
  34. 34.Write 5:45 a.m. in 24-hour time. (a) 17:45 (b) 05:45 (c) 07:45
  35. 35.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 16:10 (c) 04:10
  36. 36.What is 13:40 in 12-hour time? (a) 1:40 p.m. (b) 3:40 p.m. (c) 1:40 a.m.
  37. 37.A match starts at 18:20 and lasts 1 hour 10 minutes. At what time does it end? (a) 20:30 (b) 18:30 (c) 19:30
  38. 38.Write 11:55 a.m. in 24-hour time. (a) 13:55 (b) 11:55 (c) 23:55
  39. 39.A film is 1 hour 10 minutes long. How many minutes is that?
  40. 40.A train leaves at 14:50 and reaches at 16:40. How long is the journey (in minutes)?

Answer key

  1. 15:45
  2. 210
  3. 220
  4. 8
  5. 6
  6. 15
  7. 4
  8. 5
  9. 130
  10. 140
  11. 09:35
  12. 10:05 p.m.
  13. 105
  14. 175
  15. 40
  16. 5
  17. 165
  18. 1:20 a.m.
  19. 11:10
  20. 135
  21. 5:10 p.m.
  22. 14:25
  23. 01:15
  24. 200
  25. 17:15
  26. 60
  27. 155
  28. 65
  29. 10:00 p.m.
  30. 08:15
  31. 11:40 a.m.
  32. 02:45
  33. 155
  34. 05:45
  35. 04:10
  36. 1:40 p.m.
  37. 19:30
  38. 11:55
  39. 70
  40. 110

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