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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 915 · 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 film is 3 hours 40 minutes long. How many minutes is that?
  2. 2.A match starts at 11:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 13:55 (b) 14:55 (c) 15:55
  3. 3.A film is 1 hour 35 minutes long. How many minutes is that?
  4. 4.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 23:05 (c) 11:05
  5. 5.What is 23:30 in 12-hour time? (a) 1:30 p.m. (b) 11:30 p.m. (c) 11:30 a.m.
  6. 6.A train leaves at 17:50 and reaches at 19:10. How long is the journey (in minutes)?
  7. 7.How many hours are there from 08:00 to 10:00?
  8. 8.How many hours are there from 12:00 to 18:00?
  9. 9.What is 07:55 in 12-hour time? (a) 7:55 p.m. (b) 9:55 a.m. (c) 7:55 a.m.
  10. 10.A train leaves at 06:40 and reaches at 07:25. How long is the journey (in minutes)?
  11. 11.What is 07:45 in 12-hour time? (a) 7:45 p.m. (b) 7:45 a.m. (c) 9:45 a.m.
  12. 12.How many hours are there from 08:00 to 20:00?
  13. 13.A train leaves at 16:50 and reaches at 18:55. How long is the journey (in minutes)?
  14. 14.Write 5:00 p.m. in 24-hour time. (a) 17:00 (b) 05:00 (c) 19:00
  15. 15.What is 04:45 in 12-hour time? (a) 4:45 p.m. (b) 4:45 a.m. (c) 6:45 a.m.
  16. 16.Write 1:05 a.m. in 24-hour time. (a) 01:05 (b) 13:05 (c) 03:05
  17. 17.A match starts at 11:15 and lasts 3 hours 55 minutes. At what time does it end? (a) 15:10 (b) 14:10 (c) 16:10
  18. 18.A film is 2 hours 50 minutes long. How many minutes is that?
  19. 19.Write 1:15 a.m. in 24-hour time. (a) 03:15 (b) 13:15 (c) 01:15
  20. 20.A film is 2 hours 30 minutes long. How many minutes is that?
  21. 21.A train leaves at 08:20 and reaches at 10:40. How long is the journey (in minutes)?
  22. 22.A match starts at 11:55 and lasts 1 hour 45 minutes. At what time does it end? (a) 13:40 (b) 14:40 (c) 12:40
  23. 23.A train leaves at 19:20 and reaches at 21:05. How long is the journey (in minutes)?
  24. 24.Write 7:40 a.m. in 24-hour time. (a) 07:40 (b) 09:40 (c) 19:40
  25. 25.A train leaves at 06:35 and reaches at 09:40. How long is the journey (in minutes)?
  26. 26.A train leaves at 17:25 and reaches at 20:45. How long is the journey (in minutes)?
  27. 27.A train leaves at 06:05 and reaches at 08:15. How long is the journey (in minutes)?
  28. 28.How many hours are there from 10:00 to 20:00?
  29. 29.A match starts at 11:30 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:20 (b) 14:20 (c) 15:20
  30. 30.What is 02:15 in 12-hour time? (a) 4:15 a.m. (b) 2:15 a.m. (c) 2:15 p.m.
  31. 31.What is 22:45 in 12-hour time? (a) 10:45 a.m. (b) 10:45 p.m. (c) 12:45 p.m.
  32. 32.What is 16:55 in 12-hour time? (a) 6:55 p.m. (b) 4:55 p.m. (c) 4:55 a.m.
  33. 33.How many hours are there from 10:00 to 17:00?
  34. 34.Write 7:10 a.m. in 24-hour time. (a) 07:10 (b) 19:10 (c) 09:10
  35. 35.What is 17:50 in 12-hour time? (a) 5:50 a.m. (b) 5:50 p.m. (c) 7:50 p.m.
  36. 36.How many hours are there from 12:00 to 20:00?
  37. 37.How many hours are there from 11:00 to 17:00?
  38. 38.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 03:05 (c) 15:05
  39. 39.A film is 4 hours 40 minutes long. How many minutes is that?
  40. 40.A train leaves at 08:50 and reaches at 10:30. How long is the journey (in minutes)?

Answer key

  1. 220
  2. 14:55
  3. 95
  4. 23:05
  5. 11:30 p.m.
  6. 80
  7. 2
  8. 6
  9. 7:55 a.m.
  10. 45
  11. 7:45 a.m.
  12. 12
  13. 125
  14. 17:00
  15. 4:45 a.m.
  16. 01:05
  17. 15:10
  18. 170
  19. 01:15
  20. 150
  21. 140
  22. 13:40
  23. 105
  24. 07:40
  25. 185
  26. 200
  27. 130
  28. 10
  29. 14:20
  30. 2:15 a.m.
  31. 10:45 p.m.
  32. 4:55 p.m.
  33. 7
  34. 07:10
  35. 5:50 p.m.
  36. 8
  37. 6
  38. 15:05
  39. 280
  40. 100

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