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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 254 · 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 1:25 a.m. in 24-hour time. (a) 03:25 (b) 01:25 (c) 13:25
  2. 2.How many hours are there from 07:00 to 20:00?
  3. 3.What is 07:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 a.m.
  4. 4.Write 5:40 a.m. in 24-hour time. (a) 05:40 (b) 17:40 (c) 07:40
  5. 5.A match starts at 10:00 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:05 (b) 10:05 (c) 11:05
  6. 6.A train leaves at 16:50 and reaches at 17:50. How long is the journey (in minutes)?
  7. 7.A match starts at 14:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 17:10 (b) 16:10 (c) 15:10
  8. 8.How many hours are there from 10:00 to 13:00?
  9. 9.A film is 2 hours 25 minutes long. How many minutes is that?
  10. 10.What is 16:55 in 12-hour time? (a) 6:55 p.m. (b) 4:55 p.m. (c) 4:55 a.m.
  11. 11.What is 14:00 in 12-hour time? (a) 4:00 p.m. (b) 2:00 a.m. (c) 2:00 p.m.
  12. 12.A match starts at 17:00 and lasts 3 hours 30 minutes. At what time does it end? (a) 20:30 (b) 21:30 (c) 19:30
  13. 13.How many hours are there from 05:00 to 22:00?
  14. 14.Write 10:50 a.m. in 24-hour time. (a) 22:50 (b) 12:50 (c) 10:50
  15. 15.How many hours are there from 05:00 to 21:00?
  16. 16.How many hours are there from 10:00 to 18:00?
  17. 17.Write 5:35 p.m. in 24-hour time. (a) 05:35 (b) 17:35 (c) 19:35
  18. 18.A film is 1 hour 5 minutes long. How many minutes is that?
  19. 19.How many hours are there from 09:00 to 11:00?
  20. 20.Write 5:45 a.m. in 24-hour time. (a) 07:45 (b) 05:45 (c) 17:45
  21. 21.How many hours are there from 11:00 to 19:00?
  22. 22.A film is 4 hours 30 minutes long. How many minutes is that?
  23. 23.A film is 2 hours 20 minutes long. How many minutes is that?
  24. 24.A train leaves at 18:40 and reaches at 20:10. How long is the journey (in minutes)?
  25. 25.Write 7:25 p.m. in 24-hour time. (a) 21:25 (b) 07:25 (c) 19:25
  26. 26.A train leaves at 18:15 and reaches at 19:00. How long is the journey (in minutes)?
  27. 27.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 17:15
  28. 28.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 p.m. (c) 5:00 a.m.
  29. 29.A train leaves at 15:30 and reaches at 16:45. How long is the journey (in minutes)?
  30. 30.Write 3:05 a.m. in 24-hour time. (a) 05:05 (b) 15:05 (c) 03:05
  31. 31.How many hours are there from 08:00 to 17:00?
  32. 32.What is 22:00 in 12-hour time? (a) 10:00 p.m. (b) 12:00 p.m. (c) 10:00 a.m.
  33. 33.A train leaves at 19:30 and reaches at 21:35. How long is the journey (in minutes)?
  34. 34.A match starts at 12:45 and lasts 3 hours. At what time does it end? (a) 16:45 (b) 14:45 (c) 15:45
  35. 35.Write 2:15 p.m. in 24-hour time. (a) 14:15 (b) 16:15 (c) 02:15
  36. 36.How many hours are there from 07:00 to 14:00?
  37. 37.How many hours are there from 10:00 to 16:00?
  38. 38.A train leaves at 18:05 and reaches at 19:35. How long is the journey (in minutes)?
  39. 39.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 03:20 (c) 13:20
  40. 40.A train leaves at 08:25 and reaches at 09:35. How long is the journey (in minutes)?

Answer key

  1. 01:25
  2. 13
  3. 7:20 a.m.
  4. 05:40
  5. 11:05
  6. 60
  7. 16:10
  8. 3
  9. 145
  10. 4:55 p.m.
  11. 2:00 p.m.
  12. 20:30
  13. 17
  14. 10:50
  15. 16
  16. 8
  17. 17:35
  18. 65
  19. 2
  20. 05:45
  21. 8
  22. 270
  23. 140
  24. 90
  25. 19:25
  26. 45
  27. 15:15
  28. 5:00 p.m.
  29. 75
  30. 03:05
  31. 9
  32. 10:00 p.m.
  33. 125
  34. 15:45
  35. 14:15
  36. 7
  37. 6
  38. 90
  39. 01:20
  40. 70

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