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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 450 · 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 4 hours 50 minutes long. How many minutes is that?
  2. 2.What is 16:15 in 12-hour time? (a) 4:15 p.m. (b) 4:15 a.m. (c) 6:15 p.m.
  3. 3.A film is 4 hours 45 minutes long. How many minutes is that?
  4. 4.How many hours are there from 12:00 to 23:00?
  5. 5.A train leaves at 10:25 and reaches at 13:10. How long is the journey (in minutes)?
  6. 6.Write 11:50 a.m. in 24-hour time. (a) 13:50 (b) 11:50 (c) 23:50
  7. 7.How many hours are there from 06:00 to 08:00?
  8. 8.Write 11:05 p.m. in 24-hour time. (a) 23:05 (b) 11:05 (c) 01:05
  9. 9.A match starts at 12:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 17:15
  10. 10.A match starts at 15:20 and lasts 4 hours 40 minutes. At what time does it end? (a) 21:00 (b) 20:00 (c) 19:00
  11. 11.Write 10:10 a.m. in 24-hour time. (a) 22:10 (b) 12:10 (c) 10:10
  12. 12.A train leaves at 08:05 and reaches at 11:25. How long is the journey (in minutes)?
  13. 13.Write 3:25 p.m. in 24-hour time. (a) 03:25 (b) 15:25 (c) 17:25
  14. 14.Write 2:50 a.m. in 24-hour time. (a) 04:50 (b) 14:50 (c) 02:50
  15. 15.A match starts at 10:15 and lasts 2 hours 10 minutes. At what time does it end? (a) 12:25 (b) 11:25 (c) 13:25
  16. 16.A match starts at 07:45 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:55 (b) 09:55 (c) 11:55
  17. 17.What is 03:00 in 12-hour time? (a) 3:00 p.m. (b) 5:00 a.m. (c) 3:00 a.m.
  18. 18.A match starts at 06:05 and lasts 2 hours 55 minutes. At what time does it end? (a) 08:00 (b) 10:00 (c) 09:00
  19. 19.A film is 1 hour 10 minutes long. How many minutes is that?
  20. 20.How many hours are there from 05:00 to 22:00?
  21. 21.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 17:00
  22. 22.A film is 1 hour 25 minutes long. How many minutes is that?
  23. 23.Write 4:05 p.m. in 24-hour time. (a) 18:05 (b) 04:05 (c) 16:05
  24. 24.A match starts at 18:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 20:10 (b) 18:10 (c) 19:10
  25. 25.A match starts at 10:35 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:45 (b) 13:45 (c) 15:45
  26. 26.A film is 2 hours 20 minutes long. How many minutes is that?
  27. 27.A train leaves at 16:25 and reaches at 19:30. How long is the journey (in minutes)?
  28. 28.How many hours are there from 06:00 to 16:00?
  29. 29.A train leaves at 08:00 and reaches at 11:15. How long is the journey (in minutes)?
  30. 30.How many hours are there from 11:00 to 13:00?
  31. 31.A train leaves at 11:25 and reaches at 11:55. How long is the journey (in minutes)?
  32. 32.What is 01:45 in 12-hour time? (a) 1:45 p.m. (b) 1:45 a.m. (c) 3:45 a.m.
  33. 33.What is 22:35 in 12-hour time? (a) 10:35 p.m. (b) 12:35 p.m. (c) 10:35 a.m.
  34. 34.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
  35. 35.How many hours are there from 12:00 to 19:00?
  36. 36.What is 08:30 in 12-hour time? (a) 8:30 p.m. (b) 10:30 a.m. (c) 8:30 a.m.
  37. 37.Write 9:30 a.m. in 24-hour time. (a) 09:30 (b) 11:30 (c) 21:30
  38. 38.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 03:00 (c) 13:00
  39. 39.How many hours are there from 07:00 to 14:00?
  40. 40.How many hours are there from 07:00 to 16:00?

Answer key

  1. 290
  2. 4:15 p.m.
  3. 285
  4. 11
  5. 165
  6. 11:50
  7. 2
  8. 23:05
  9. 16:15
  10. 20:00
  11. 10:10
  12. 200
  13. 15:25
  14. 02:50
  15. 12:25
  16. 10:55
  17. 3:00 a.m.
  18. 09:00
  19. 70
  20. 17
  21. 15:00
  22. 85
  23. 16:05
  24. 19:10
  25. 14:45
  26. 140
  27. 185
  28. 10
  29. 195
  30. 2
  31. 30
  32. 1:45 a.m.
  33. 10:35 p.m.
  34. 01:10
  35. 7
  36. 8:30 a.m.
  37. 09:30
  38. 01:00
  39. 7
  40. 9

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