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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 64 · 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.How many hours are there from 12:00 to 16:00?
  2. 2.How many hours are there from 05:00 to 23:00?
  3. 3.What is 22:15 in 12-hour time? (a) 10:15 p.m. (b) 10:15 a.m. (c) 12:15 p.m.
  4. 4.Write 9:55 p.m. in 24-hour time. (a) 21:55 (b) 09:55 (c) 23:55
  5. 5.How many hours are there from 07:00 to 23:00?
  6. 6.A match starts at 09:30 and lasts 1 hour 25 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 11:55
  7. 7.What is 18:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 p.m. (c) 6:10 a.m.
  8. 8.Write 10:00 p.m. in 24-hour time. (a) 22:00 (b) 00:00 (c) 10:00
  9. 9.Write 7:05 p.m. in 24-hour time. (a) 07:05 (b) 21:05 (c) 19:05
  10. 10.A match starts at 06:40 and lasts 1 hour. At what time does it end? (a) 08:40 (b) 07:40 (c) 06:40
  11. 11.A match starts at 17:25 and lasts 4 hours 15 minutes. At what time does it end? (a) 22:40 (b) 20:40 (c) 21:40
  12. 12.How many hours are there from 05:00 to 13:00?
  13. 13.Write 9:45 p.m. in 24-hour time. (a) 09:45 (b) 23:45 (c) 21:45
  14. 14.What is 22:30 in 12-hour time? (a) 10:30 a.m. (b) 10:30 p.m. (c) 12:30 p.m.
  15. 15.What is 21:10 in 12-hour time? (a) 11:10 p.m. (b) 9:10 p.m. (c) 9:10 a.m.
  16. 16.A match starts at 07:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 07:20 (b) 09:20 (c) 08:20
  17. 17.A film is 3 hours 10 minutes long. How many minutes is that?
  18. 18.A film is 2 hours 25 minutes long. How many minutes is that?
  19. 19.How many hours are there from 11:00 to 20:00?
  20. 20.A train leaves at 07:30 and reaches at 09:25. How long is the journey (in minutes)?
  21. 21.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 a.m. (c) 3:15 p.m.
  22. 22.Write 9:15 a.m. in 24-hour time. (a) 11:15 (b) 21:15 (c) 09:15
  23. 23.A match starts at 07:20 and lasts 1 hour. At what time does it end? (a) 07:20 (b) 08:20 (c) 09:20
  24. 24.How many hours are there from 09:00 to 11:00?
  25. 25.What is 07:45 in 12-hour time? (a) 9:45 a.m. (b) 7:45 a.m. (c) 7:45 p.m.
  26. 26.How many hours are there from 10:00 to 12:00?
  27. 27.What is 19:15 in 12-hour time? (a) 7:15 a.m. (b) 7:15 p.m. (c) 9:15 p.m.
  28. 28.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 07:05 (c) 09:05
  29. 29.What is 13:20 in 12-hour time? (a) 1:20 a.m. (b) 3:20 p.m. (c) 1:20 p.m.
  30. 30.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 20:00 (c) 22:00
  31. 31.A train leaves at 07:00 and reaches at 07:40. How long is the journey (in minutes)?
  32. 32.Write 7:50 a.m. in 24-hour time. (a) 09:50 (b) 19:50 (c) 07:50
  33. 33.What is 03:40 in 12-hour time? (a) 3:40 a.m. (b) 3:40 p.m. (c) 5:40 a.m.
  34. 34.Write 1:30 a.m. in 24-hour time. (a) 01:30 (b) 03:30 (c) 13:30
  35. 35.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 01:10 (c) 13:10
  36. 36.What is 04:45 in 12-hour time? (a) 4:45 p.m. (b) 4:45 a.m. (c) 6:45 a.m.
  37. 37.A match starts at 14:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 16:20 (b) 14:20 (c) 15:20
  38. 38.A train leaves at 19:10 and reaches at 20:00. How long is the journey (in minutes)?
  39. 39.A film is 2 hours 30 minutes long. How many minutes is that?
  40. 40.How many hours are there from 11:00 to 18:00?

Answer key

  1. 4
  2. 18
  3. 10:15 p.m.
  4. 21:55
  5. 16
  6. 10:55
  7. 6:10 p.m.
  8. 22:00
  9. 19:05
  10. 07:40
  11. 21:40
  12. 8
  13. 21:45
  14. 10:30 p.m.
  15. 9:10 p.m.
  16. 08:20
  17. 190
  18. 145
  19. 9
  20. 115
  21. 3:15 a.m.
  22. 09:15
  23. 08:20
  24. 2
  25. 7:45 a.m.
  26. 2
  27. 7:15 p.m.
  28. 07:05
  29. 1:20 p.m.
  30. 20:00
  31. 40
  32. 07:50
  33. 3:40 a.m.
  34. 01:30
  35. 01:10
  36. 4:45 a.m.
  37. 15:20
  38. 50
  39. 150
  40. 7

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