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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 415 · 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 film is 2 hours 35 minutes long. How many minutes is that?
  2. 2.How many hours are there from 06:00 to 13:00?
  3. 3.Write 7:40 a.m. in 24-hour time. (a) 07:40 (b) 19:40 (c) 09:40
  4. 4.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 19:05 (c) 17:05
  5. 5.What is 20:55 in 12-hour time? (a) 10:55 p.m. (b) 8:55 p.m. (c) 8:55 a.m.
  6. 6.What is 09:10 in 12-hour time? (a) 9:10 a.m. (b) 9:10 p.m. (c) 11:10 a.m.
  7. 7.How many hours are there from 07:00 to 19:00?
  8. 8.A train leaves at 17:20 and reaches at 20:40. How long is the journey (in minutes)?
  9. 9.Write 11:20 p.m. in 24-hour time. (a) 11:20 (b) 01:20 (c) 23:20
  10. 10.A match starts at 10:10 and lasts 1 hour 50 minutes. At what time does it end? (a) 11:00 (b) 13:00 (c) 12:00
  11. 11.What is 01:45 in 12-hour time? (a) 1:45 a.m. (b) 3:45 a.m. (c) 1:45 p.m.
  12. 12.What is 09:45 in 12-hour time? (a) 9:45 p.m. (b) 11:45 a.m. (c) 9:45 a.m.
  13. 13.Write 6:50 p.m. in 24-hour time. (a) 06:50 (b) 20:50 (c) 18:50
  14. 14.A film is 1 hour 10 minutes long. How many minutes is that?
  15. 15.Write 11:50 p.m. in 24-hour time. (a) 11:50 (b) 01:50 (c) 23:50
  16. 16.How many hours are there from 07:00 to 13:00?
  17. 17.How many hours are there from 07:00 to 12:00?
  18. 18.How many hours are there from 05:00 to 20:00?
  19. 19.A film is 3 hours 10 minutes long. How many minutes is that?
  20. 20.How many hours are there from 07:00 to 21:00?
  21. 21.A match starts at 18:05 and lasts 3 hours 25 minutes. At what time does it end? (a) 22:30 (b) 20:30 (c) 21:30
  22. 22.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 11:50 p.m. (c) 9:50 p.m.
  23. 23.A film is 1 hour 15 minutes long. How many minutes is that?
  24. 24.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 12:50 p.m. (c) 10:50 p.m.
  25. 25.A train leaves at 14:20 and reaches at 15:05. How long is the journey (in minutes)?
  26. 26.A train leaves at 19:00 and reaches at 21:45. How long is the journey (in minutes)?
  27. 27.A train leaves at 06:20 and reaches at 07:45. How long is the journey (in minutes)?
  28. 28.A film is 3 hours 5 minutes long. How many minutes is that?
  29. 29.Write 6:45 p.m. in 24-hour time. (a) 20:45 (b) 06:45 (c) 18:45
  30. 30.Write 11:35 a.m. in 24-hour time. (a) 11:35 (b) 23:35 (c) 13:35
  31. 31.How many hours are there from 11:00 to 22:00?
  32. 32.Write 6:20 a.m. in 24-hour time. (a) 18:20 (b) 06:20 (c) 08:20
  33. 33.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 p.m. (c) 2:40 p.m.
  34. 34.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 04:15 (c) 02:15
  35. 35.How many hours are there from 05:00 to 08:00?
  36. 36.What is 15:15 in 12-hour time? (a) 3:15 a.m. (b) 5:15 p.m. (c) 3:15 p.m.
  37. 37.A train leaves at 11:25 and reaches at 14:15. How long is the journey (in minutes)?
  38. 38.A train leaves at 07:25 and reaches at 08:50. How long is the journey (in minutes)?
  39. 39.A film is 1 hour 40 minutes long. How many minutes is that?
  40. 40.What is 16:00 in 12-hour time? (a) 6:00 p.m. (b) 4:00 p.m. (c) 4:00 a.m.

Answer key

  1. 155
  2. 7
  3. 07:40
  4. 17:05
  5. 8:55 p.m.
  6. 9:10 a.m.
  7. 12
  8. 200
  9. 23:20
  10. 12:00
  11. 1:45 a.m.
  12. 9:45 a.m.
  13. 18:50
  14. 70
  15. 23:50
  16. 6
  17. 5
  18. 15
  19. 190
  20. 14
  21. 21:30
  22. 9:50 p.m.
  23. 75
  24. 10:50 p.m.
  25. 45
  26. 165
  27. 85
  28. 185
  29. 18:45
  30. 11:35
  31. 11
  32. 06:20
  33. 2:40 p.m.
  34. 02:15
  35. 3
  36. 3:15 p.m.
  37. 170
  38. 85
  39. 100
  40. 4:00 p.m.

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