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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 101 · 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 06:00 to 15:00?
  2. 2.Write 4:05 a.m. in 24-hour time. (a) 06:05 (b) 04:05 (c) 16:05
  3. 3.What is 19:05 in 12-hour time? (a) 9:05 p.m. (b) 7:05 a.m. (c) 7:05 p.m.
  4. 4.What is 05:20 in 12-hour time? (a) 5:20 a.m. (b) 5:20 p.m. (c) 7:20 a.m.
  5. 5.How many hours are there from 06:00 to 21:00?
  6. 6.Write 9:30 p.m. in 24-hour time. (a) 09:30 (b) 21:30 (c) 23:30
  7. 7.What is 17:35 in 12-hour time? (a) 5:35 p.m. (b) 7:35 p.m. (c) 5:35 a.m.
  8. 8.What is 22:50 in 12-hour time? (a) 12:50 p.m. (b) 10:50 a.m. (c) 10:50 p.m.
  9. 9.A film is 4 hours 50 minutes long. How many minutes is that?
  10. 10.How many hours are there from 07:00 to 23:00?
  11. 11.A film is 1 hour 40 minutes long. How many minutes is that?
  12. 12.What is 20:45 in 12-hour time? (a) 8:45 p.m. (b) 8:45 a.m. (c) 10:45 p.m.
  13. 13.Write 9:05 p.m. in 24-hour time. (a) 23:05 (b) 09:05 (c) 21:05
  14. 14.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 13:05 (c) 01:05
  15. 15.A film is 2 hours 25 minutes long. How many minutes is that?
  16. 16.What is 16:45 in 12-hour time? (a) 4:45 a.m. (b) 6:45 p.m. (c) 4:45 p.m.
  17. 17.A film is 3 hours 40 minutes long. How many minutes is that?
  18. 18.What is 15:45 in 12-hour time? (a) 3:45 a.m. (b) 5:45 p.m. (c) 3:45 p.m.
  19. 19.How many hours are there from 05:00 to 15:00?
  20. 20.Write 1:25 p.m. in 24-hour time. (a) 13:25 (b) 15:25 (c) 01:25
  21. 21.How many hours are there from 09:00 to 15:00?
  22. 22.A film is 2 hours 20 minutes long. How many minutes is that?
  23. 23.How many hours are there from 07:00 to 13:00?
  24. 24.How many hours are there from 06:00 to 14:00?
  25. 25.What is 04:05 in 12-hour time? (a) 6:05 a.m. (b) 4:05 a.m. (c) 4:05 p.m.
  26. 26.A train leaves at 10:05 and reaches at 12:10. How long is the journey (in minutes)?
  27. 27.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 04:15 (c) 06:15
  28. 28.A train leaves at 07:05 and reaches at 08:00. How long is the journey (in minutes)?
  29. 29.What is 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 p.m. (c) 10:55 a.m.
  30. 30.A match starts at 06:00 and lasts 3 hours 45 minutes. At what time does it end? (a) 10:45 (b) 08:45 (c) 09:45
  31. 31.A film is 2 hours 5 minutes long. How many minutes is that?
  32. 32.What is 14:40 in 12-hour time? (a) 4:40 p.m. (b) 2:40 a.m. (c) 2:40 p.m.
  33. 33.How many hours are there from 12:00 to 22:00?
  34. 34.Write 2:20 p.m. in 24-hour time. (a) 02:20 (b) 16:20 (c) 14:20
  35. 35.Write 1:20 p.m. in 24-hour time. (a) 15:20 (b) 13:20 (c) 01:20
  36. 36.A train leaves at 10:10 and reaches at 12:30. How long is the journey (in minutes)?
  37. 37.A match starts at 06:35 and lasts 3 hours 10 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 08:45
  38. 38.A match starts at 13:00 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:05 (b) 17:05 (c) 15:05
  39. 39.A match starts at 06:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:30 (b) 09:30 (c) 08:30
  40. 40.How many hours are there from 06:00 to 13:00?

Answer key

  1. 9
  2. 04:05
  3. 7:05 p.m.
  4. 5:20 a.m.
  5. 15
  6. 21:30
  7. 5:35 p.m.
  8. 10:50 p.m.
  9. 290
  10. 16
  11. 100
  12. 8:45 p.m.
  13. 21:05
  14. 01:05
  15. 145
  16. 4:45 p.m.
  17. 220
  18. 3:45 p.m.
  19. 10
  20. 13:25
  21. 6
  22. 140
  23. 6
  24. 8
  25. 4:05 a.m.
  26. 125
  27. 04:15
  28. 55
  29. 10:55 a.m.
  30. 09:45
  31. 125
  32. 2:40 p.m.
  33. 10
  34. 14:20
  35. 13:20
  36. 140
  37. 09:45
  38. 16:05
  39. 09:30
  40. 7

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