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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 189 · 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 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
  2. 2.What is 07:25 in 12-hour time? (a) 7:25 a.m. (b) 7:25 p.m. (c) 9:25 a.m.
  3. 3.What is 22:50 in 12-hour time? (a) 10:50 p.m. (b) 12:50 p.m. (c) 10:50 a.m.
  4. 4.Write 3:05 a.m. in 24-hour time. (a) 05:05 (b) 15:05 (c) 03:05
  5. 5.What is 02:05 in 12-hour time? (a) 4:05 a.m. (b) 2:05 p.m. (c) 2:05 a.m.
  6. 6.Write 8:15 a.m. in 24-hour time. (a) 08:15 (b) 10:15 (c) 20:15
  7. 7.How many hours are there from 10:00 to 23:00?
  8. 8.What is 02:25 in 12-hour time? (a) 2:25 p.m. (b) 2:25 a.m. (c) 4:25 a.m.
  9. 9.Write 4:20 p.m. in 24-hour time. (a) 04:20 (b) 18:20 (c) 16:20
  10. 10.A film is 4 hours 50 minutes long. How many minutes is that?
  11. 11.A train leaves at 17:35 and reaches at 20:20. How long is the journey (in minutes)?
  12. 12.What is 16:40 in 12-hour time? (a) 6:40 p.m. (b) 4:40 a.m. (c) 4:40 p.m.
  13. 13.What is 15:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 p.m.
  14. 14.Write 8:40 a.m. in 24-hour time. (a) 10:40 (b) 08:40 (c) 20:40
  15. 15.Write 11:50 a.m. in 24-hour time. (a) 13:50 (b) 23:50 (c) 11:50
  16. 16.What is 03:00 in 12-hour time? (a) 3:00 a.m. (b) 5:00 a.m. (c) 3:00 p.m.
  17. 17.A film is 4 hours 30 minutes long. How many minutes is that?
  18. 18.What is 05:50 in 12-hour time? (a) 7:50 a.m. (b) 5:50 a.m. (c) 5:50 p.m.
  19. 19.What is 23:55 in 12-hour time? (a) 1:55 p.m. (b) 11:55 a.m. (c) 11:55 p.m.
  20. 20.Write 11:00 a.m. in 24-hour time. (a) 23:00 (b) 13:00 (c) 11:00
  21. 21.How many hours are there from 10:00 to 12:00?
  22. 22.What is 14:05 in 12-hour time? (a) 2:05 p.m. (b) 4:05 p.m. (c) 2:05 a.m.
  23. 23.How many hours are there from 06:00 to 16:00?
  24. 24.A train leaves at 06:20 and reaches at 08:25. How long is the journey (in minutes)?
  25. 25.A train leaves at 08:55 and reaches at 11:10. How long is the journey (in minutes)?
  26. 26.Write 2:45 p.m. in 24-hour time. (a) 02:45 (b) 14:45 (c) 16:45
  27. 27.Write 5:55 a.m. in 24-hour time. (a) 07:55 (b) 17:55 (c) 05:55
  28. 28.Write 9:55 a.m. in 24-hour time. (a) 09:55 (b) 21:55 (c) 11:55
  29. 29.A film is 3 hours 35 minutes long. How many minutes is that?
  30. 30.A train leaves at 19:55 and reaches at 21:15. How long is the journey (in minutes)?
  31. 31.A train leaves at 16:50 and reaches at 17:25. How long is the journey (in minutes)?
  32. 32.How many hours are there from 08:00 to 12:00?
  33. 33.A film is 1 hour 50 minutes long. How many minutes is that?
  34. 34.What is 07:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 a.m.
  35. 35.What is 18:10 in 12-hour time? (a) 6:10 a.m. (b) 6:10 p.m. (c) 8:10 p.m.
  36. 36.A match starts at 17:30 and lasts 3 hours. At what time does it end? (a) 20:30 (b) 21:30 (c) 19:30
  37. 37.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 07:20 (c) 09:20
  38. 38.What is 07:10 in 12-hour time? (a) 9:10 a.m. (b) 7:10 p.m. (c) 7:10 a.m.
  39. 39.A match starts at 11:25 and lasts 2 hours 30 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 12:55
  40. 40.Write 6:20 p.m. in 24-hour time. (a) 20:20 (b) 06:20 (c) 18:20

Answer key

  1. 10:55
  2. 7:25 a.m.
  3. 10:50 p.m.
  4. 03:05
  5. 2:05 a.m.
  6. 08:15
  7. 13
  8. 2:25 a.m.
  9. 16:20
  10. 290
  11. 165
  12. 4:40 p.m.
  13. 3:50 p.m.
  14. 08:40
  15. 11:50
  16. 3:00 a.m.
  17. 270
  18. 5:50 a.m.
  19. 11:55 p.m.
  20. 11:00
  21. 2
  22. 2:05 p.m.
  23. 10
  24. 125
  25. 135
  26. 14:45
  27. 05:55
  28. 09:55
  29. 215
  30. 80
  31. 35
  32. 4
  33. 110
  34. 7:20 a.m.
  35. 6:10 p.m.
  36. 20:30
  37. 07:20
  38. 7:10 a.m.
  39. 13:55
  40. 18:20

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