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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 167 · 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 train leaves at 18:00 and reaches at 18:30. How long is the journey (in minutes)?
  2. 2.Write 3:15 p.m. in 24-hour time. (a) 15:15 (b) 17:15 (c) 03:15
  3. 3.Write 7:05 p.m. in 24-hour time. (a) 19:05 (b) 21:05 (c) 07:05
  4. 4.A film is 3 hours 20 minutes long. How many minutes is that?
  5. 5.Write 10:10 p.m. in 24-hour time. (a) 10:10 (b) 00:10 (c) 22:10
  6. 6.How many hours are there from 11:00 to 21:00?
  7. 7.A train leaves at 17:10 and reaches at 19:05. How long is the journey (in minutes)?
  8. 8.A train leaves at 14:10 and reaches at 16:45. How long is the journey (in minutes)?
  9. 9.What is 01:30 in 12-hour time? (a) 1:30 a.m. (b) 3:30 a.m. (c) 1:30 p.m.
  10. 10.Write 4:00 p.m. in 24-hour time. (a) 04:00 (b) 18:00 (c) 16:00
  11. 11.Write 7:45 p.m. in 24-hour time. (a) 21:45 (b) 19:45 (c) 07:45
  12. 12.A film is 2 hours 45 minutes long. How many minutes is that?
  13. 13.What is 05:10 in 12-hour time? (a) 7:10 a.m. (b) 5:10 p.m. (c) 5:10 a.m.
  14. 14.How many hours are there from 05:00 to 09:00?
  15. 15.Write 2:35 a.m. in 24-hour time. (a) 02:35 (b) 14:35 (c) 04:35
  16. 16.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 15:40 (c) 05:40
  17. 17.How many hours are there from 12:00 to 14:00?
  18. 18.A film is 4 hours 30 minutes long. How many minutes is that?
  19. 19.What is 16:15 in 12-hour time? (a) 4:15 p.m. (b) 4:15 a.m. (c) 6:15 p.m.
  20. 20.A match starts at 07:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 10:15 (b) 09:15 (c) 08:15
  21. 21.Write 9:45 a.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 11:45
  22. 22.A match starts at 09:55 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:15 (b) 13:15 (c) 14:15
  23. 23.How many hours are there from 09:00 to 20:00?
  24. 24.How many hours are there from 11:00 to 18:00?
  25. 25.A film is 3 hours 15 minutes long. How many minutes is that?
  26. 26.A film is 3 hours 5 minutes long. How many minutes is that?
  27. 27.A train leaves at 08:30 and reaches at 09:55. How long is the journey (in minutes)?
  28. 28.Write 6:40 p.m. in 24-hour time. (a) 06:40 (b) 18:40 (c) 20:40
  29. 29.A train leaves at 09:30 and reaches at 10:00. How long is the journey (in minutes)?
  30. 30.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 6:05 a.m. (c) 8:05 a.m.
  31. 31.What is 08:50 in 12-hour time? (a) 8:50 a.m. (b) 8:50 p.m. (c) 10:50 a.m.
  32. 32.How many hours are there from 11:00 to 13:00?
  33. 33.Write 8:00 a.m. in 24-hour time. (a) 08:00 (b) 20:00 (c) 10:00
  34. 34.A match starts at 14:15 and lasts 2 hours. At what time does it end? (a) 16:15 (b) 17:15 (c) 15:15
  35. 35.A film is 3 hours 30 minutes long. How many minutes is that?
  36. 36.A film is 4 hours 10 minutes long. How many minutes is that?
  37. 37.Write 5:25 p.m. in 24-hour time. (a) 17:25 (b) 19:25 (c) 05:25
  38. 38.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 17:00 (c) 15:00
  39. 39.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 04:00
  40. 40.What is 11:05 in 12-hour time? (a) 11:05 a.m. (b) 1:05 a.m. (c) 11:05 p.m.

Answer key

  1. 30
  2. 15:15
  3. 19:05
  4. 200
  5. 22:10
  6. 10
  7. 115
  8. 155
  9. 1:30 a.m.
  10. 16:00
  11. 19:45
  12. 165
  13. 5:10 a.m.
  14. 4
  15. 02:35
  16. 03:40
  17. 2
  18. 270
  19. 4:15 p.m.
  20. 09:15
  21. 09:45
  22. 14:15
  23. 11
  24. 7
  25. 195
  26. 185
  27. 85
  28. 18:40
  29. 30
  30. 6:05 a.m.
  31. 8:50 a.m.
  32. 2
  33. 08:00
  34. 16:15
  35. 210
  36. 250
  37. 17:25
  38. 15:00
  39. 02:00
  40. 11:05 a.m.

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