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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 427 · 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.What is 23:40 in 12-hour time? (a) 1:40 p.m. (b) 11:40 a.m. (c) 11:40 p.m.
  2. 2.A match starts at 18:20 and lasts 3 hours 40 minutes. At what time does it end? (a) 23:00 (b) 22:00 (c) 21:00
  3. 3.A match starts at 11:20 and lasts 3 hours 50 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 14:10
  4. 4.A train leaves at 15:00 and reaches at 16:00. How long is the journey (in minutes)?
  5. 5.What is 11:45 in 12-hour time? (a) 11:45 p.m. (b) 11:45 a.m. (c) 1:45 a.m.
  6. 6.A train leaves at 14:20 and reaches at 16:30. How long is the journey (in minutes)?
  7. 7.A match starts at 17:55 and lasts 3 hours 35 minutes. At what time does it end? (a) 21:30 (b) 20:30 (c) 22:30
  8. 8.How many hours are there from 06:00 to 08:00?
  9. 9.What is 20:00 in 12-hour time? (a) 10:00 p.m. (b) 8:00 a.m. (c) 8:00 p.m.
  10. 10.Write 9:10 a.m. in 24-hour time. (a) 21:10 (b) 11:10 (c) 09:10
  11. 11.A match starts at 14:55 and lasts 1 hour 50 minutes. At what time does it end? (a) 15:45 (b) 17:45 (c) 16:45
  12. 12.What is 04:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 a.m. (c) 4:05 a.m.
  13. 13.A train leaves at 06:10 and reaches at 09:15. How long is the journey (in minutes)?
  14. 14.What is 01:10 in 12-hour time? (a) 3:10 a.m. (b) 1:10 p.m. (c) 1:10 a.m.
  15. 15.Write 5:00 p.m. in 24-hour time. (a) 17:00 (b) 19:00 (c) 05:00
  16. 16.What is 07:20 in 12-hour time? (a) 7:20 a.m. (b) 7:20 p.m. (c) 9:20 a.m.
  17. 17.A film is 3 hours 20 minutes long. How many minutes is that?
  18. 18.Write 4:10 p.m. in 24-hour time. (a) 04:10 (b) 16:10 (c) 18:10
  19. 19.A film is 1 hour 20 minutes long. How many minutes is that?
  20. 20.What is 14:10 in 12-hour time? (a) 4:10 p.m. (b) 2:10 p.m. (c) 2:10 a.m.
  21. 21.How many hours are there from 07:00 to 09:00?
  22. 22.A train leaves at 11:55 and reaches at 13:00. How long is the journey (in minutes)?
  23. 23.Write 4:55 p.m. in 24-hour time. (a) 16:55 (b) 04:55 (c) 18:55
  24. 24.A film is 2 hours 55 minutes long. How many minutes is that?
  25. 25.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 01:05 (c) 13:05
  26. 26.What is 21:30 in 12-hour time? (a) 9:30 a.m. (b) 9:30 p.m. (c) 11:30 p.m.
  27. 27.A film is 2 hours 15 minutes long. How many minutes is that?
  28. 28.A train leaves at 08:00 and reaches at 11:00. How long is the journey (in minutes)?
  29. 29.How many hours are there from 10:00 to 13:00?
  30. 30.Write 7:15 a.m. in 24-hour time. (a) 07:15 (b) 09:15 (c) 19:15
  31. 31.How many hours are there from 10:00 to 22:00?
  32. 32.Write 9:00 p.m. in 24-hour time. (a) 21:00 (b) 09:00 (c) 23:00
  33. 33.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 07:15
  34. 34.Write 7:45 a.m. in 24-hour time. (a) 09:45 (b) 07:45 (c) 19:45
  35. 35.Write 11:00 a.m. in 24-hour time. (a) 23:00 (b) 11:00 (c) 13:00
  36. 36.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 17:00
  37. 37.What is 03:20 in 12-hour time? (a) 3:20 p.m. (b) 3:20 a.m. (c) 5:20 a.m.
  38. 38.A film is 1 hour 30 minutes long. How many minutes is that?
  39. 39.What is 08:50 in 12-hour time? (a) 8:50 p.m. (b) 10:50 a.m. (c) 8:50 a.m.
  40. 40.A match starts at 06:10 and lasts 4 hours 45 minutes. At what time does it end? (a) 10:55 (b) 09:55 (c) 11:55

Answer key

  1. 11:40 p.m.
  2. 22:00
  3. 15:10
  4. 60
  5. 11:45 a.m.
  6. 130
  7. 21:30
  8. 2
  9. 8:00 p.m.
  10. 09:10
  11. 16:45
  12. 4:05 a.m.
  13. 185
  14. 1:10 a.m.
  15. 17:00
  16. 7:20 a.m.
  17. 200
  18. 16:10
  19. 80
  20. 2:10 p.m.
  21. 2
  22. 65
  23. 16:55
  24. 175
  25. 01:05
  26. 9:30 p.m.
  27. 135
  28. 180
  29. 3
  30. 07:15
  31. 12
  32. 21:00
  33. 05:15
  34. 07:45
  35. 11:00
  36. 15:00
  37. 3:20 a.m.
  38. 90
  39. 8:50 a.m.
  40. 10:55

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