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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 317 · 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 09:20 and reaches at 10:20. How long is the journey (in minutes)?
  2. 2.A film is 2 hours 10 minutes long. How many minutes is that?
  3. 3.How many hours are there from 07:00 to 13:00?
  4. 4.A train leaves at 10:35 and reaches at 11:30. How long is the journey (in minutes)?
  5. 5.How many hours are there from 10:00 to 13:00?
  6. 6.What is 01:50 in 12-hour time? (a) 1:50 p.m. (b) 1:50 a.m. (c) 3:50 a.m.
  7. 7.Write 5:55 a.m. in 24-hour time. (a) 17:55 (b) 07:55 (c) 05:55
  8. 8.How many hours are there from 06:00 to 11:00?
  9. 9.What is 22:15 in 12-hour time? (a) 10:15 p.m. (b) 12:15 p.m. (c) 10:15 a.m.
  10. 10.A film is 4 hours 30 minutes long. How many minutes is that?
  11. 11.A train leaves at 10:55 and reaches at 13:40. How long is the journey (in minutes)?
  12. 12.Write 10:25 a.m. in 24-hour time. (a) 10:25 (b) 22:25 (c) 12:25
  13. 13.A train leaves at 10:55 and reaches at 13:45. How long is the journey (in minutes)?
  14. 14.A film is 2 hours 30 minutes long. How many minutes is that?
  15. 15.A train leaves at 09:55 and reaches at 11:45. How long is the journey (in minutes)?
  16. 16.A film is 1 hour 5 minutes long. How many minutes is that?
  17. 17.A match starts at 10:10 and lasts 4 hours 25 minutes. At what time does it end? (a) 13:35 (b) 14:35 (c) 15:35
  18. 18.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 p.m. (c) 4:20 p.m.
  19. 19.A match starts at 12:05 and lasts 3 hours 10 minutes. At what time does it end? (a) 14:15 (b) 16:15 (c) 15:15
  20. 20.A film is 1 hour 45 minutes long. How many minutes is that?
  21. 21.A train leaves at 18:05 and reaches at 21:10. How long is the journey (in minutes)?
  22. 22.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 06:15 (c) 04:15
  23. 23.Write 7:55 a.m. in 24-hour time. (a) 19:55 (b) 09:55 (c) 07:55
  24. 24.A film is 2 hours 35 minutes long. How many minutes is that?
  25. 25.A match starts at 11:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 12:10
  26. 26.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
  27. 27.How many hours are there from 07:00 to 16:00?
  28. 28.Write 3:40 a.m. in 24-hour time. (a) 15:40 (b) 05:40 (c) 03:40
  29. 29.What is 02:55 in 12-hour time? (a) 2:55 p.m. (b) 4:55 a.m. (c) 2:55 a.m.
  30. 30.A train leaves at 09:10 and reaches at 11:30. How long is the journey (in minutes)?
  31. 31.How many hours are there from 07:00 to 17:00?
  32. 32.A train leaves at 17:30 and reaches at 18:00. How long is the journey (in minutes)?
  33. 33.A film is 3 hours 55 minutes long. How many minutes is that?
  34. 34.Write 7:05 p.m. in 24-hour time. (a) 21:05 (b) 19:05 (c) 07:05
  35. 35.A film is 2 hours 45 minutes long. How many minutes is that?
  36. 36.A match starts at 13:00 and lasts 2 hours 50 minutes. At what time does it end? (a) 15:50 (b) 14:50 (c) 16:50
  37. 37.A train leaves at 11:40 and reaches at 12:10. How long is the journey (in minutes)?
  38. 38.A match starts at 09:50 and lasts 2 hours 10 minutes. At what time does it end? (a) 13:00 (b) 11:00 (c) 12:00
  39. 39.A train leaves at 12:35 and reaches at 14:05. How long is the journey (in minutes)?
  40. 40.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 05:05 (c) 17:05

Answer key

  1. 60
  2. 130
  3. 6
  4. 55
  5. 3
  6. 1:50 a.m.
  7. 05:55
  8. 5
  9. 10:15 p.m.
  10. 270
  11. 165
  12. 10:25
  13. 170
  14. 150
  15. 110
  16. 65
  17. 14:35
  18. 4:20 p.m.
  19. 15:15
  20. 105
  21. 185
  22. 04:15
  23. 07:55
  24. 155
  25. 13:10
  26. 20:00
  27. 9
  28. 03:40
  29. 2:55 a.m.
  30. 140
  31. 10
  32. 30
  33. 235
  34. 19:05
  35. 165
  36. 15:50
  37. 30
  38. 12:00
  39. 90
  40. 17:05

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