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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 202 · 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 02:05 in 12-hour time? (a) 4:05 a.m. (b) 2:05 p.m. (c) 2:05 a.m.
  2. 2.How many hours are there from 08:00 to 18:00?
  3. 3.A train leaves at 09:10 and reaches at 10:25. How long is the journey (in minutes)?
  4. 4.Write 4:45 p.m. in 24-hour time. (a) 18:45 (b) 04:45 (c) 16:45
  5. 5.A train leaves at 13:45 and reaches at 16:00. How long is the journey (in minutes)?
  6. 6.A film is 2 hours 5 minutes long. How many minutes is that?
  7. 7.What is 06:10 in 12-hour time? (a) 6:10 p.m. (b) 6:10 a.m. (c) 8:10 a.m.
  8. 8.A match starts at 06:30 and lasts 4 hours 40 minutes. At what time does it end? (a) 12:10 (b) 11:10 (c) 10:10
  9. 9.How many hours are there from 11:00 to 20:00?
  10. 10.Write 10:15 a.m. in 24-hour time. (a) 22:15 (b) 10:15 (c) 12:15
  11. 11.Write 4:30 p.m. in 24-hour time. (a) 18:30 (b) 16:30 (c) 04:30
  12. 12.How many hours are there from 09:00 to 16:00?
  13. 13.A match starts at 12:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 12:25 (b) 13:25 (c) 14:25
  14. 14.How many hours are there from 12:00 to 21:00?
  15. 15.Write 6:00 p.m. in 24-hour time. (a) 06:00 (b) 18:00 (c) 20:00
  16. 16.What is 16:05 in 12-hour time? (a) 4:05 a.m. (b) 4:05 p.m. (c) 6:05 p.m.
  17. 17.Write 1:35 a.m. in 24-hour time. (a) 03:35 (b) 01:35 (c) 13:35
  18. 18.A film is 4 hours 30 minutes long. How many minutes is that?
  19. 19.A match starts at 09:25 and lasts 3 hours 10 minutes. At what time does it end? (a) 11:35 (b) 13:35 (c) 12:35
  20. 20.A film is 3 hours 30 minutes long. How many minutes is that?
  21. 21.How many hours are there from 07:00 to 22:00?
  22. 22.A match starts at 17:25 and lasts 4 hours 35 minutes. At what time does it end? (a) 22:00 (b) 21:00 (c) 23:00
  23. 23.How many hours are there from 07:00 to 12:00?
  24. 24.What is 05:40 in 12-hour time? (a) 7:40 a.m. (b) 5:40 a.m. (c) 5:40 p.m.
  25. 25.A train leaves at 08:25 and reaches at 08:50. How long is the journey (in minutes)?
  26. 26.How many hours are there from 05:00 to 15:00?
  27. 27.Write 2:15 p.m. in 24-hour time. (a) 02:15 (b) 16:15 (c) 14:15
  28. 28.What is 01:05 in 12-hour time? (a) 1:05 p.m. (b) 1:05 a.m. (c) 3:05 a.m.
  29. 29.What is 05:15 in 12-hour time? (a) 7:15 a.m. (b) 5:15 a.m. (c) 5:15 p.m.
  30. 30.How many hours are there from 10:00 to 23:00?
  31. 31.How many hours are there from 11:00 to 13:00?
  32. 32.A train leaves at 18:05 and reaches at 18:45. How long is the journey (in minutes)?
  33. 33.How many hours are there from 09:00 to 20:00?
  34. 34.A film is 2 hours 25 minutes long. How many minutes is that?
  35. 35.A train leaves at 17:15 and reaches at 19:00. How long is the journey (in minutes)?
  36. 36.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 16:10 (c) 04:10
  37. 37.A train leaves at 09:55 and reaches at 11:10. How long is the journey (in minutes)?
  38. 38.A film is 1 hour 45 minutes long. How many minutes is that?
  39. 39.A match starts at 14:55 and lasts 4 hours 20 minutes. At what time does it end? (a) 18:15 (b) 20:15 (c) 19:15
  40. 40.How many hours are there from 08:00 to 16:00?

Answer key

  1. 2:05 a.m.
  2. 10
  3. 75
  4. 16:45
  5. 135
  6. 125
  7. 6:10 a.m.
  8. 11:10
  9. 9
  10. 10:15
  11. 16:30
  12. 7
  13. 13:25
  14. 9
  15. 18:00
  16. 4:05 p.m.
  17. 01:35
  18. 270
  19. 12:35
  20. 210
  21. 15
  22. 22:00
  23. 5
  24. 5:40 a.m.
  25. 25
  26. 10
  27. 14:15
  28. 1:05 a.m.
  29. 5:15 a.m.
  30. 13
  31. 2
  32. 40
  33. 11
  34. 145
  35. 105
  36. 04:10
  37. 75
  38. 105
  39. 19:15
  40. 8

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