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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 930 · 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 train leaves at 13:30 and reaches at 15:00. How long is the journey (in minutes)?
  2. 2.A film is 3 hours 20 minutes long. How many minutes is that?
  3. 3.Write 1:45 p.m. in 24-hour time. (a) 01:45 (b) 15:45 (c) 13:45
  4. 4.A film is 4 hours 55 minutes long. How many minutes is that?
  5. 5.What is 22:00 in 12-hour time? (a) 10:00 p.m. (b) 10:00 a.m. (c) 12:00 p.m.
  6. 6.How many hours are there from 11:00 to 13:00?
  7. 7.A train leaves at 09:55 and reaches at 11:50. How long is the journey (in minutes)?
  8. 8.What is 05:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 a.m. (c) 5:30 a.m.
  9. 9.A film is 4 hours 5 minutes long. How many minutes is that?
  10. 10.How many hours are there from 10:00 to 20:00?
  11. 11.What is 21:35 in 12-hour time? (a) 9:35 p.m. (b) 11:35 p.m. (c) 9:35 a.m.
  12. 12.A film is 1 hour 15 minutes long. How many minutes is that?
  13. 13.Write 9:50 p.m. in 24-hour time. (a) 23:50 (b) 09:50 (c) 21:50
  14. 14.A train leaves at 08:30 and reaches at 11:30. How long is the journey (in minutes)?
  15. 15.A train leaves at 08:40 and reaches at 11:25. How long is the journey (in minutes)?
  16. 16.What is 09:00 in 12-hour time? (a) 9:00 a.m. (b) 11:00 a.m. (c) 9:00 p.m.
  17. 17.A film is 3 hours 40 minutes long. How many minutes is that?
  18. 18.How many hours are there from 09:00 to 23:00?
  19. 19.How many hours are there from 06:00 to 19:00?
  20. 20.How many hours are there from 09:00 to 19:00?
  21. 21.Write 6:40 a.m. in 24-hour time. (a) 18:40 (b) 06:40 (c) 08:40
  22. 22.A train leaves at 13:50 and reaches at 14:15. How long is the journey (in minutes)?
  23. 23.Write 2:50 a.m. in 24-hour time. (a) 04:50 (b) 02:50 (c) 14:50
  24. 24.What is 21:00 in 12-hour time? (a) 9:00 a.m. (b) 9:00 p.m. (c) 11:00 p.m.
  25. 25.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 p.m. (c) 2:40 a.m.
  26. 26.Write 7:10 a.m. in 24-hour time. (a) 19:10 (b) 09:10 (c) 07:10
  27. 27.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 07:10 (c) 05:10
  28. 28.A film is 3 hours 15 minutes long. How many minutes is that?
  29. 29.A film is 1 hour 5 minutes long. How many minutes is that?
  30. 30.A match starts at 18:55 and lasts 4 hours 15 minutes. At what time does it end? (a) 22:10 (b) 00:10 (c) 23:10
  31. 31.What is 18:15 in 12-hour time? (a) 6:15 p.m. (b) 6:15 a.m. (c) 8:15 p.m.
  32. 32.What is 04:30 in 12-hour time? (a) 6:30 a.m. (b) 4:30 a.m. (c) 4:30 p.m.
  33. 33.Write 10:15 a.m. in 24-hour time. (a) 22:15 (b) 12:15 (c) 10:15
  34. 34.A train leaves at 16:45 and reaches at 17:35. How long is the journey (in minutes)?
  35. 35.Write 6:55 a.m. in 24-hour time. (a) 18:55 (b) 08:55 (c) 06:55
  36. 36.Write 4:55 a.m. in 24-hour time. (a) 16:55 (b) 04:55 (c) 06:55
  37. 37.What is 18:55 in 12-hour time? (a) 8:55 p.m. (b) 6:55 a.m. (c) 6:55 p.m.
  38. 38.A film is 2 hours 45 minutes long. How many minutes is that?
  39. 39.What is 22:05 in 12-hour time? (a) 10:05 a.m. (b) 12:05 p.m. (c) 10:05 p.m.
  40. 40.A match starts at 17:30 and lasts 2 hours. At what time does it end? (a) 19:30 (b) 20:30 (c) 18:30

Answer key

  1. 90
  2. 200
  3. 13:45
  4. 295
  5. 10:00 p.m.
  6. 2
  7. 115
  8. 5:30 a.m.
  9. 245
  10. 10
  11. 9:35 p.m.
  12. 75
  13. 21:50
  14. 180
  15. 165
  16. 9:00 a.m.
  17. 220
  18. 14
  19. 13
  20. 10
  21. 06:40
  22. 25
  23. 02:50
  24. 9:00 p.m.
  25. 2:40 a.m.
  26. 07:10
  27. 05:10
  28. 195
  29. 65
  30. 23:10
  31. 6:15 p.m.
  32. 4:30 a.m.
  33. 10:15
  34. 50
  35. 06:55
  36. 04:55
  37. 6:55 p.m.
  38. 165
  39. 10:05 p.m.
  40. 19:30

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