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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 783 · 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 08:10 and reaches at 10:40. How long is the journey (in minutes)?
  2. 2.How many hours are there from 09:00 to 14:00?
  3. 3.Write 6:10 p.m. in 24-hour time. (a) 06:10 (b) 20:10 (c) 18:10
  4. 4.What is 10:15 in 12-hour time? (a) 12:15 a.m. (b) 10:15 p.m. (c) 10:15 a.m.
  5. 5.A train leaves at 16:55 and reaches at 18:30. How long is the journey (in minutes)?
  6. 6.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 04:00 (c) 14:00
  7. 7.A film is 1 hour 50 minutes long. How many minutes is that?
  8. 8.Write 11:45 p.m. in 24-hour time. (a) 23:45 (b) 11:45 (c) 01:45
  9. 9.A match starts at 15:10 and lasts 4 hours 50 minutes. At what time does it end? (a) 21:00 (b) 20:00 (c) 19:00
  10. 10.A train leaves at 06:05 and reaches at 07:25. How long is the journey (in minutes)?
  11. 11.Write 11:30 p.m. in 24-hour time. (a) 11:30 (b) 23:30 (c) 01:30
  12. 12.A match starts at 06:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:20 (b) 06:20 (c) 07:20
  13. 13.Write 7:10 p.m. in 24-hour time. (a) 07:10 (b) 21:10 (c) 19:10
  14. 14.A train leaves at 13:15 and reaches at 15:40. How long is the journey (in minutes)?
  15. 15.A film is 2 hours 10 minutes long. How many minutes is that?
  16. 16.A film is 2 hours 30 minutes long. How many minutes is that?
  17. 17.A train leaves at 07:35 and reaches at 08:15. How long is the journey (in minutes)?
  18. 18.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 04:35
  19. 19.How many hours are there from 05:00 to 23:00?
  20. 20.A train leaves at 08:20 and reaches at 08:50. How long is the journey (in minutes)?
  21. 21.What is 08:10 in 12-hour time? (a) 8:10 p.m. (b) 8:10 a.m. (c) 10:10 a.m.
  22. 22.A train leaves at 14:40 and reaches at 16:30. How long is the journey (in minutes)?
  23. 23.Write 6:55 a.m. in 24-hour time. (a) 18:55 (b) 08:55 (c) 06:55
  24. 24.A train leaves at 19:20 and reaches at 21:35. How long is the journey (in minutes)?
  25. 25.A train leaves at 10:05 and reaches at 13:05. How long is the journey (in minutes)?
  26. 26.A train leaves at 18:00 and reaches at 19:05. How long is the journey (in minutes)?
  27. 27.A film is 3 hours 30 minutes long. How many minutes is that?
  28. 28.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 22:35 (c) 20:35
  29. 29.Write 8:10 a.m. in 24-hour time. (a) 20:10 (b) 10:10 (c) 08:10
  30. 30.A film is 3 hours 50 minutes long. How many minutes is that?
  31. 31.How many hours are there from 08:00 to 12:00?
  32. 32.A film is 4 hours 30 minutes long. How many minutes is that?
  33. 33.A film is 4 hours 15 minutes long. How many minutes is that?
  34. 34.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 12:45
  35. 35.A train leaves at 08:10 and reaches at 09:10. How long is the journey (in minutes)?
  36. 36.Write 5:05 p.m. in 24-hour time. (a) 17:05 (b) 19:05 (c) 05:05
  37. 37.Write 6:45 a.m. in 24-hour time. (a) 08:45 (b) 06:45 (c) 18:45
  38. 38.What is 05:15 in 12-hour time? (a) 5:15 a.m. (b) 5:15 p.m. (c) 7:15 a.m.
  39. 39.What is 04:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 a.m. (c) 4:10 p.m.
  40. 40.A film is 2 hours 15 minutes long. How many minutes is that?

Answer key

  1. 150
  2. 5
  3. 18:10
  4. 10:15 a.m.
  5. 95
  6. 02:00
  7. 110
  8. 23:45
  9. 20:00
  10. 80
  11. 23:30
  12. 07:20
  13. 19:10
  14. 145
  15. 130
  16. 150
  17. 40
  18. 02:35
  19. 18
  20. 30
  21. 8:10 a.m.
  22. 110
  23. 06:55
  24. 135
  25. 180
  26. 65
  27. 210
  28. 20:35
  29. 08:10
  30. 230
  31. 4
  32. 270
  33. 255
  34. 10:45
  35. 60
  36. 17:05
  37. 06:45
  38. 5:15 a.m.
  39. 4:10 a.m.
  40. 135

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