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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 630 · 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 05:00 to 11:00?
  2. 2.How many hours are there from 11:00 to 20:00?
  3. 3.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.
  4. 4.Write 3:25 a.m. in 24-hour time. (a) 03:25 (b) 05:25 (c) 15:25
  5. 5.How many hours are there from 05:00 to 17:00?
  6. 6.A match starts at 08:05 and lasts 1 hour 20 minutes. At what time does it end? (a) 08:25 (b) 10:25 (c) 09:25
  7. 7.How many hours are there from 07:00 to 20:00?
  8. 8.A film is 4 hours 20 minutes long. How many minutes is that?
  9. 9.A film is 3 hours 25 minutes long. How many minutes is that?
  10. 10.What is 16:40 in 12-hour time? (a) 4:40 a.m. (b) 6:40 p.m. (c) 4:40 p.m.
  11. 11.What is 07:50 in 12-hour time? (a) 9:50 a.m. (b) 7:50 a.m. (c) 7:50 p.m.
  12. 12.Write 4:30 a.m. in 24-hour time. (a) 04:30 (b) 06:30 (c) 16:30
  13. 13.A film is 1 hour 35 minutes long. How many minutes is that?
  14. 14.A train leaves at 18:10 and reaches at 18:45. How long is the journey (in minutes)?
  15. 15.How many hours are there from 10:00 to 19:00?
  16. 16.A match starts at 11:20 and lasts 1 hour 25 minutes. At what time does it end? (a) 12:45 (b) 11:45 (c) 13:45
  17. 17.A match starts at 07:50 and lasts 1 hour. At what time does it end? (a) 09:50 (b) 08:50 (c) 07:50
  18. 18.A film is 3 hours 20 minutes long. How many minutes is that?
  19. 19.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 16:10 (c) 04:10
  20. 20.A train leaves at 11:05 and reaches at 12:15. How long is the journey (in minutes)?
  21. 21.How many hours are there from 11:00 to 18:00?
  22. 22.How many hours are there from 06:00 to 16:00?
  23. 23.A match starts at 13:55 and lasts 1 hour 40 minutes. At what time does it end? (a) 16:35 (b) 14:35 (c) 15:35
  24. 24.How many hours are there from 12:00 to 15:00?
  25. 25.What is 21:50 in 12-hour time? (a) 9:50 p.m. (b) 11:50 p.m. (c) 9:50 a.m.
  26. 26.A film is 1 hour 5 minutes long. How many minutes is that?
  27. 27.How many hours are there from 08:00 to 20:00?
  28. 28.A film is 3 hours 50 minutes long. How many minutes is that?
  29. 29.How many hours are there from 09:00 to 23:00?
  30. 30.What is 08:15 in 12-hour time? (a) 10:15 a.m. (b) 8:15 p.m. (c) 8:15 a.m.
  31. 31.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 2:10 p.m. (c) 4:10 a.m.
  32. 32.What is 20:05 in 12-hour time? (a) 10:05 p.m. (b) 8:05 a.m. (c) 8:05 p.m.
  33. 33.A match starts at 13:45 and lasts 1 hour 20 minutes. At what time does it end? (a) 15:05 (b) 14:05 (c) 16:05
  34. 34.A train leaves at 13:20 and reaches at 14:10. How long is the journey (in minutes)?
  35. 35.What is 04:05 in 12-hour time? (a) 4:05 p.m. (b) 4:05 a.m. (c) 6:05 a.m.
  36. 36.Write 1:35 a.m. in 24-hour time. (a) 13:35 (b) 01:35 (c) 03:35
  37. 37.What is 21:45 in 12-hour time? (a) 9:45 a.m. (b) 11:45 p.m. (c) 9:45 p.m.
  38. 38.Write 7:40 a.m. in 24-hour time. (a) 07:40 (b) 09:40 (c) 19:40
  39. 39.A film is 4 hours 15 minutes long. How many minutes is that?
  40. 40.What is 20:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 p.m.

Answer key

  1. 6
  2. 9
  3. 4:50 p.m.
  4. 03:25
  5. 12
  6. 09:25
  7. 13
  8. 260
  9. 205
  10. 4:40 p.m.
  11. 7:50 a.m.
  12. 04:30
  13. 95
  14. 35
  15. 9
  16. 12:45
  17. 08:50
  18. 200
  19. 04:10
  20. 70
  21. 7
  22. 10
  23. 15:35
  24. 3
  25. 9:50 p.m.
  26. 65
  27. 12
  28. 230
  29. 14
  30. 8:15 a.m.
  31. 2:10 a.m.
  32. 8:05 p.m.
  33. 15:05
  34. 50
  35. 4:05 a.m.
  36. 01:35
  37. 9:45 p.m.
  38. 07:40
  39. 255
  40. 8:55 p.m.

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