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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 351 · 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.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 17:05
  2. 2.A film is 3 hours 35 minutes long. How many minutes is that?
  3. 3.How many hours are there from 12:00 to 16:00?
  4. 4.A train leaves at 16:35 and reaches at 19:00. How long is the journey (in minutes)?
  5. 5.What is 15:55 in 12-hour time? (a) 5:55 p.m. (b) 3:55 p.m. (c) 3:55 a.m.
  6. 6.Write 10:40 p.m. in 24-hour time. (a) 22:40 (b) 00:40 (c) 10:40
  7. 7.How many hours are there from 12:00 to 22:00?
  8. 8.A film is 2 hours 10 minutes long. How many minutes is that?
  9. 9.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 6:55 a.m. (c) 4:55 a.m.
  10. 10.A train leaves at 06:40 and reaches at 07:15. How long is the journey (in minutes)?
  11. 11.A train leaves at 19:50 and reaches at 20:30. How long is the journey (in minutes)?
  12. 12.Write 5:20 a.m. in 24-hour time. (a) 17:20 (b) 07:20 (c) 05:20
  13. 13.A film is 1 hour 50 minutes long. How many minutes is that?
  14. 14.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 04:00 (c) 02:00
  15. 15.What is 23:20 in 12-hour time? (a) 11:20 p.m. (b) 1:20 p.m. (c) 11:20 a.m.
  16. 16.How many hours are there from 07:00 to 19:00?
  17. 17.What is 06:45 in 12-hour time? (a) 6:45 a.m. (b) 6:45 p.m. (c) 8:45 a.m.
  18. 18.What is 04:25 in 12-hour time? (a) 4:25 a.m. (b) 6:25 a.m. (c) 4:25 p.m.
  19. 19.What is 07:35 in 12-hour time? (a) 7:35 p.m. (b) 7:35 a.m. (c) 9:35 a.m.
  20. 20.A train leaves at 15:40 and reaches at 17:20. How long is the journey (in minutes)?
  21. 21.A film is 4 hours 10 minutes long. How many minutes is that?
  22. 22.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 06:30 (c) 04:30
  23. 23.How many hours are there from 10:00 to 12:00?
  24. 24.How many hours are there from 09:00 to 12:00?
  25. 25.A film is 1 hour 25 minutes long. How many minutes is that?
  26. 26.A match starts at 18:40 and lasts 3 hours. At what time does it end? (a) 20:40 (b) 22:40 (c) 21:40
  27. 27.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 p.m. (c) 1:05 a.m.
  28. 28.A film is 3 hours 15 minutes long. How many minutes is that?
  29. 29.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 a.m. (c) 4:40 p.m.
  30. 30.Write 6:30 p.m. in 24-hour time. (a) 20:30 (b) 18:30 (c) 06:30
  31. 31.How many hours are there from 09:00 to 14:00?
  32. 32.A match starts at 11:05 and lasts 1 hour 30 minutes. At what time does it end? (a) 12:35 (b) 11:35 (c) 13:35
  33. 33.Write 5:20 p.m. in 24-hour time. (a) 17:20 (b) 05:20 (c) 19:20
  34. 34.A train leaves at 13:05 and reaches at 15:35. How long is the journey (in minutes)?
  35. 35.A train leaves at 18:30 and reaches at 20:35. How long is the journey (in minutes)?
  36. 36.A film is 2 hours 45 minutes long. How many minutes is that?
  37. 37.Write 11:30 p.m. in 24-hour time. (a) 01:30 (b) 11:30 (c) 23:30
  38. 38.A train leaves at 14:15 and reaches at 15:50. How long is the journey (in minutes)?
  39. 39.How many hours are there from 05:00 to 19:00?
  40. 40.A train leaves at 14:15 and reaches at 15:35. How long is the journey (in minutes)?

Answer key

  1. 15:05
  2. 215
  3. 4
  4. 145
  5. 3:55 p.m.
  6. 22:40
  7. 10
  8. 130
  9. 4:55 a.m.
  10. 35
  11. 40
  12. 05:20
  13. 110
  14. 02:00
  15. 11:20 p.m.
  16. 12
  17. 6:45 a.m.
  18. 4:25 a.m.
  19. 7:35 a.m.
  20. 100
  21. 250
  22. 04:30
  23. 2
  24. 3
  25. 85
  26. 21:40
  27. 1:05 p.m.
  28. 195
  29. 4:40 a.m.
  30. 18:30
  31. 5
  32. 12:35
  33. 17:20
  34. 150
  35. 125
  36. 165
  37. 23:30
  38. 95
  39. 14
  40. 80

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