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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 675 · 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 07:05 in 12-hour time? (a) 7:05 p.m. (b) 9:05 a.m. (c) 7:05 a.m.
  2. 2.How many hours are there from 05:00 to 07:00?
  3. 3.A match starts at 06:00 and lasts 3 hours 50 minutes. At what time does it end? (a) 08:50 (b) 09:50 (c) 10:50
  4. 4.A film is 3 hours 15 minutes long. How many minutes is that?
  5. 5.A film is 3 hours 10 minutes long. How many minutes is that?
  6. 6.A film is 4 hours 30 minutes long. How many minutes is that?
  7. 7.What is 02:35 in 12-hour time? (a) 4:35 a.m. (b) 2:35 p.m. (c) 2:35 a.m.
  8. 8.Write 6:45 p.m. in 24-hour time. (a) 06:45 (b) 20:45 (c) 18:45
  9. 9.A train leaves at 09:35 and reaches at 10:45. How long is the journey (in minutes)?
  10. 10.A train leaves at 17:10 and reaches at 19:40. How long is the journey (in minutes)?
  11. 11.Write 7:30 a.m. in 24-hour time. (a) 19:30 (b) 09:30 (c) 07:30
  12. 12.A train leaves at 19:05 and reaches at 20:10. How long is the journey (in minutes)?
  13. 13.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 05:50 (c) 15:50
  14. 14.A train leaves at 13:50 and reaches at 15:25. How long is the journey (in minutes)?
  15. 15.A film is 2 hours 45 minutes long. How many minutes is that?
  16. 16.A train leaves at 08:50 and reaches at 10:45. How long is the journey (in minutes)?
  17. 17.What is 03:35 in 12-hour time? (a) 3:35 p.m. (b) 3:35 a.m. (c) 5:35 a.m.
  18. 18.Write 1:15 p.m. in 24-hour time. (a) 13:15 (b) 01:15 (c) 15:15
  19. 19.How many hours are there from 12:00 to 17:00?
  20. 20.A film is 1 hour 50 minutes long. How many minutes is that?
  21. 21.What is 10:00 in 12-hour time? (a) 10:00 p.m. (b) 10:00 a.m. (c) 12:00 a.m.
  22. 22.How many hours are there from 07:00 to 16:00?
  23. 23.How many hours are there from 09:00 to 23:00?
  24. 24.A film is 2 hours 40 minutes long. How many minutes is that?
  25. 25.Write 11:00 a.m. in 24-hour time. (a) 23:00 (b) 13:00 (c) 11:00
  26. 26.How many hours are there from 09:00 to 22:00?
  27. 27.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 10:55 (c) 20:55
  28. 28.How many hours are there from 12:00 to 15:00?
  29. 29.How many hours are there from 12:00 to 14:00?
  30. 30.How many hours are there from 06:00 to 13:00?
  31. 31.A train leaves at 09:30 and reaches at 10:00. How long is the journey (in minutes)?
  32. 32.Write 6:05 a.m. in 24-hour time. (a) 06:05 (b) 08:05 (c) 18:05
  33. 33.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 9:05 a.m. (c) 11:05 a.m.
  34. 34.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 12:00 (c) 22:00
  35. 35.A film is 4 hours 35 minutes long. How many minutes is that?
  36. 36.A train leaves at 17:55 and reaches at 18:30. How long is the journey (in minutes)?
  37. 37.A match starts at 06:45 and lasts 1 hour. At what time does it end? (a) 06:45 (b) 08:45 (c) 07:45
  38. 38.Write 2:55 p.m. in 24-hour time. (a) 14:55 (b) 16:55 (c) 02:55
  39. 39.A match starts at 10:40 and lasts 4 hours 45 minutes. At what time does it end? (a) 15:25 (b) 16:25 (c) 14:25
  40. 40.A train leaves at 13:30 and reaches at 15:15. How long is the journey (in minutes)?

Answer key

  1. 7:05 a.m.
  2. 2
  3. 09:50
  4. 195
  5. 190
  6. 270
  7. 2:35 a.m.
  8. 18:45
  9. 70
  10. 150
  11. 07:30
  12. 65
  13. 03:50
  14. 95
  15. 165
  16. 115
  17. 3:35 a.m.
  18. 13:15
  19. 5
  20. 110
  21. 10:00 a.m.
  22. 9
  23. 14
  24. 160
  25. 11:00
  26. 13
  27. 08:55
  28. 3
  29. 2
  30. 7
  31. 30
  32. 06:05
  33. 9:05 a.m.
  34. 10:00
  35. 275
  36. 35
  37. 07:45
  38. 14:55
  39. 15:25
  40. 105

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