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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 935 · 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 19:40 and reaches at 21:35. How long is the journey (in minutes)?
  2. 2.A film is 3 hours 55 minutes long. How many minutes is that?
  3. 3.Write 1:25 p.m. in 24-hour time. (a) 01:25 (b) 13:25 (c) 15:25
  4. 4.A train leaves at 14:15 and reaches at 15:50. How long is the journey (in minutes)?
  5. 5.How many hours are there from 12:00 to 19:00?
  6. 6.A match starts at 17:10 and lasts 1 hour 40 minutes. At what time does it end? (a) 17:50 (b) 19:50 (c) 18:50
  7. 7.Write 8:45 a.m. in 24-hour time. (a) 10:45 (b) 08:45 (c) 20:45
  8. 8.A film is 2 hours 45 minutes long. How many minutes is that?
  9. 9.A match starts at 14:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 16:50 (b) 14:50 (c) 15:50
  10. 10.How many hours are there from 05:00 to 13:00?
  11. 11.How many hours are there from 05:00 to 19:00?
  12. 12.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 1:55 p.m. (c) 3:55 p.m.
  13. 13.A match starts at 11:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 12:10
  14. 14.How many hours are there from 10:00 to 20:00?
  15. 15.What is 03:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 a.m.
  16. 16.How many hours are there from 12:00 to 22:00?
  17. 17.Write 8:00 a.m. in 24-hour time. (a) 08:00 (b) 10:00 (c) 20:00
  18. 18.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 p.m.
  19. 19.Write 1:00 p.m. in 24-hour time. (a) 01:00 (b) 13:00 (c) 15:00
  20. 20.How many hours are there from 09:00 to 22:00?
  21. 21.Write 8:05 p.m. in 24-hour time. (a) 20:05 (b) 08:05 (c) 22:05
  22. 22.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 a.m. (c) 1:35 p.m.
  23. 23.A film is 4 hours 20 minutes long. How many minutes is that?
  24. 24.A train leaves at 08:15 and reaches at 09:05. How long is the journey (in minutes)?
  25. 25.A film is 4 hours 25 minutes long. How many minutes is that?
  26. 26.What is 22:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 p.m.
  27. 27.A train leaves at 09:40 and reaches at 11:45. How long is the journey (in minutes)?
  28. 28.A film is 1 hour 45 minutes long. How many minutes is that?
  29. 29.A match starts at 14:15 and lasts 1 hour 20 minutes. At what time does it end? (a) 16:35 (b) 14:35 (c) 15:35
  30. 30.Write 3:05 a.m. in 24-hour time. (a) 03:05 (b) 05:05 (c) 15:05
  31. 31.How many hours are there from 05:00 to 09:00?
  32. 32.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 04:40 (c) 16:40
  33. 33.A film is 1 hour 15 minutes long. How many minutes is that?
  34. 34.A train leaves at 13:50 and reaches at 14:45. How long is the journey (in minutes)?
  35. 35.A train leaves at 19:50 and reaches at 22:55. How long is the journey (in minutes)?
  36. 36.A film is 1 hour 30 minutes long. How many minutes is that?
  37. 37.How many hours are there from 06:00 to 18:00?
  38. 38.Write 4:15 a.m. in 24-hour time. (a) 04:15 (b) 06:15 (c) 16:15
  39. 39.A film is 3 hours 5 minutes long. How many minutes is that?
  40. 40.What is 10:25 in 12-hour time? (a) 10:25 a.m. (b) 10:25 p.m. (c) 12:25 a.m.

Answer key

  1. 115
  2. 235
  3. 13:25
  4. 95
  5. 7
  6. 18:50
  7. 08:45
  8. 165
  9. 15:50
  10. 8
  11. 14
  12. 1:55 p.m.
  13. 13:10
  14. 10
  15. 3:50 a.m.
  16. 10
  17. 08:00
  18. 1:05 p.m.
  19. 13:00
  20. 13
  21. 20:05
  22. 1:35 a.m.
  23. 260
  24. 50
  25. 265
  26. 10:45 p.m.
  27. 125
  28. 105
  29. 15:35
  30. 03:05
  31. 4
  32. 04:40
  33. 75
  34. 55
  35. 185
  36. 90
  37. 12
  38. 04:15
  39. 185
  40. 10:25 a.m.

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