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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 88 · 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.How many hours are there from 08:00 to 11:00?
  2. 2.A train leaves at 19:25 and reaches at 20:45. How long is the journey (in minutes)?
  3. 3.How many hours are there from 05:00 to 17:00?
  4. 4.Write 1:30 a.m. in 24-hour time. (a) 13:30 (b) 01:30 (c) 03:30
  5. 5.A train leaves at 19:00 and reaches at 20:20. How long is the journey (in minutes)?
  6. 6.Write 6:10 a.m. in 24-hour time. (a) 06:10 (b) 18:10 (c) 08:10
  7. 7.Write 8:15 p.m. in 24-hour time. (a) 22:15 (b) 20:15 (c) 08:15
  8. 8.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 a.m.
  9. 9.How many hours are there from 11:00 to 21:00?
  10. 10.Write 2:20 a.m. in 24-hour time. (a) 14:20 (b) 02:20 (c) 04:20
  11. 11.What is 22:20 in 12-hour time? (a) 12:20 p.m. (b) 10:20 a.m. (c) 10:20 p.m.
  12. 12.A film is 2 hours 10 minutes long. How many minutes is that?
  13. 13.A train leaves at 10:30 and reaches at 12:35. How long is the journey (in minutes)?
  14. 14.What is 17:20 in 12-hour time? (a) 7:20 p.m. (b) 5:20 p.m. (c) 5:20 a.m.
  15. 15.A train leaves at 15:55 and reaches at 17:30. How long is the journey (in minutes)?
  16. 16.A film is 4 hours 30 minutes long. How many minutes is that?
  17. 17.Write 6:35 p.m. in 24-hour time. (a) 06:35 (b) 18:35 (c) 20:35
  18. 18.Write 1:20 p.m. in 24-hour time. (a) 15:20 (b) 13:20 (c) 01:20
  19. 19.Write 4:35 a.m. in 24-hour time. (a) 06:35 (b) 04:35 (c) 16:35
  20. 20.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 10:55 a.m. (c) 8:55 p.m.
  21. 21.What is 21:35 in 12-hour time? (a) 9:35 a.m. (b) 11:35 p.m. (c) 9:35 p.m.
  22. 22.A match starts at 15:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 18:45 (b) 16:45 (c) 17:45
  23. 23.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 07:10 (c) 05:10
  24. 24.Write 5:40 a.m. in 24-hour time. (a) 07:40 (b) 05:40 (c) 17:40
  25. 25.What is 21:10 in 12-hour time? (a) 11:10 p.m. (b) 9:10 a.m. (c) 9:10 p.m.
  26. 26.What is 02:20 in 12-hour time? (a) 4:20 a.m. (b) 2:20 a.m. (c) 2:20 p.m.
  27. 27.A train leaves at 16:00 and reaches at 16:30. How long is the journey (in minutes)?
  28. 28.A film is 3 hours 40 minutes long. How many minutes is that?
  29. 29.A match starts at 15:00 and lasts 4 hours 30 minutes. At what time does it end? (a) 18:30 (b) 19:30 (c) 20:30
  30. 30.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 04:00
  31. 31.A film is 3 hours 55 minutes long. How many minutes is that?
  32. 32.What is 17:35 in 12-hour time? (a) 5:35 p.m. (b) 5:35 a.m. (c) 7:35 p.m.
  33. 33.A match starts at 18:20 and lasts 2 hours. At what time does it end? (a) 19:20 (b) 21:20 (c) 20:20
  34. 34.A match starts at 17:30 and lasts 3 hours. At what time does it end? (a) 20:30 (b) 21:30 (c) 19:30
  35. 35.A film is 1 hour 30 minutes long. How many minutes is that?
  36. 36.Write 9:50 p.m. in 24-hour time. (a) 23:50 (b) 21:50 (c) 09:50
  37. 37.A film is 3 hours 15 minutes long. How many minutes is that?
  38. 38.Write 9:45 p.m. in 24-hour time. (a) 23:45 (b) 09:45 (c) 21:45
  39. 39.A film is 2 hours 55 minutes long. How many minutes is that?
  40. 40.A train leaves at 19:40 and reaches at 20:40. How long is the journey (in minutes)?

Answer key

  1. 3
  2. 80
  3. 12
  4. 01:30
  5. 80
  6. 06:10
  7. 20:15
  8. 8:05 a.m.
  9. 10
  10. 02:20
  11. 10:20 p.m.
  12. 130
  13. 125
  14. 5:20 p.m.
  15. 95
  16. 270
  17. 18:35
  18. 13:20
  19. 04:35
  20. 8:55 a.m.
  21. 9:35 p.m.
  22. 17:45
  23. 05:10
  24. 05:40
  25. 9:10 p.m.
  26. 2:20 a.m.
  27. 30
  28. 220
  29. 19:30
  30. 02:00
  31. 235
  32. 5:35 p.m.
  33. 20:20
  34. 20:30
  35. 90
  36. 21:50
  37. 195
  38. 21:45
  39. 175
  40. 60

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