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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 255 · 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 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 a.m. (c) 1:10 p.m.
  2. 2.Write 6:15 a.m. in 24-hour time. (a) 06:15 (b) 18:15 (c) 08:15
  3. 3.How many hours are there from 09:00 to 19:00?
  4. 4.How many hours are there from 06:00 to 20:00?
  5. 5.How many hours are there from 12:00 to 19:00?
  6. 6.A match starts at 13:25 and lasts 2 hours 30 minutes. At what time does it end? (a) 16:55 (b) 14:55 (c) 15:55
  7. 7.A match starts at 14:15 and lasts 3 hours 20 minutes. At what time does it end? (a) 16:35 (b) 17:35 (c) 18:35
  8. 8.How many hours are there from 11:00 to 13:00?
  9. 9.A match starts at 07:15 and lasts 4 hours 35 minutes. At what time does it end? (a) 11:50 (b) 12:50 (c) 10:50
  10. 10.How many hours are there from 07:00 to 11:00?
  11. 11.Write 4:40 p.m. in 24-hour time. (a) 18:40 (b) 04:40 (c) 16:40
  12. 12.A film is 3 hours 30 minutes long. How many minutes is that?
  13. 13.How many hours are there from 08:00 to 20:00?
  14. 14.Write 10:45 p.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 00:45
  15. 15.A train leaves at 09:50 and reaches at 11:40. How long is the journey (in minutes)?
  16. 16.Write 11:50 a.m. in 24-hour time. (a) 11:50 (b) 23:50 (c) 13:50
  17. 17.A match starts at 12:05 and lasts 4 hours. At what time does it end? (a) 16:05 (b) 17:05 (c) 15:05
  18. 18.A train leaves at 16:00 and reaches at 18:50. How long is the journey (in minutes)?
  19. 19.Write 1:50 p.m. in 24-hour time. (a) 15:50 (b) 01:50 (c) 13:50
  20. 20.What is 05:25 in 12-hour time? (a) 5:25 p.m. (b) 5:25 a.m. (c) 7:25 a.m.
  21. 21.A film is 3 hours 40 minutes long. How many minutes is that?
  22. 22.A train leaves at 06:30 and reaches at 08:35. How long is the journey (in minutes)?
  23. 23.A train leaves at 13:45 and reaches at 17:05. How long is the journey (in minutes)?
  24. 24.A train leaves at 18:00 and reaches at 21:10. How long is the journey (in minutes)?
  25. 25.A film is 4 hours 15 minutes long. How many minutes is that?
  26. 26.A train leaves at 08:20 and reaches at 09:05. How long is the journey (in minutes)?
  27. 27.A train leaves at 08:05 and reaches at 09:10. How long is the journey (in minutes)?
  28. 28.What is 04:10 in 12-hour time? (a) 6:10 a.m. (b) 4:10 p.m. (c) 4:10 a.m.
  29. 29.A train leaves at 09:30 and reaches at 12:35. How long is the journey (in minutes)?
  30. 30.A film is 4 hours 55 minutes long. How many minutes is that?
  31. 31.What is 02:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 a.m. (c) 2:25 a.m.
  32. 32.A film is 1 hour 30 minutes long. How many minutes is that?
  33. 33.A film is 4 hours 10 minutes long. How many minutes is that?
  34. 34.What is 13:00 in 12-hour time? (a) 1:00 a.m. (b) 3:00 p.m. (c) 1:00 p.m.
  35. 35.A film is 4 hours 40 minutes long. How many minutes is that?
  36. 36.A match starts at 18:25 and lasts 1 hour 25 minutes. At what time does it end? (a) 18:50 (b) 20:50 (c) 19:50
  37. 37.A match starts at 14:40 and lasts 3 hours 25 minutes. At what time does it end? (a) 17:05 (b) 18:05 (c) 19:05
  38. 38.A film is 1 hour 25 minutes long. How many minutes is that?
  39. 39.A film is 2 hours 20 minutes long. How many minutes is that?
  40. 40.Write 3:15 a.m. in 24-hour time. (a) 03:15 (b) 05:15 (c) 15:15

Answer key

  1. 1:10 p.m.
  2. 06:15
  3. 10
  4. 14
  5. 7
  6. 15:55
  7. 17:35
  8. 2
  9. 11:50
  10. 4
  11. 16:40
  12. 210
  13. 12
  14. 22:45
  15. 110
  16. 11:50
  17. 16:05
  18. 170
  19. 13:50
  20. 5:25 a.m.
  21. 220
  22. 125
  23. 200
  24. 190
  25. 255
  26. 45
  27. 65
  28. 4:10 a.m.
  29. 185
  30. 295
  31. 2:25 a.m.
  32. 90
  33. 250
  34. 1:00 p.m.
  35. 280
  36. 19:50
  37. 18:05
  38. 85
  39. 140
  40. 03:15

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