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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 318 · 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 11:35 p.m. in 24-hour time. (a) 01:35 (b) 11:35 (c) 23:35
  2. 2.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 a.m. (c) 9:50 p.m.
  3. 3.A match starts at 06:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 10:45 (b) 08:45 (c) 09:45
  4. 4.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
  5. 5.A film is 3 hours 25 minutes long. How many minutes is that?
  6. 6.A film is 3 hours 10 minutes long. How many minutes is that?
  7. 7.How many hours are there from 09:00 to 16:00?
  8. 8.What is 10:05 in 12-hour time? (a) 10:05 a.m. (b) 12:05 a.m. (c) 10:05 p.m.
  9. 9.A train leaves at 16:40 and reaches at 17:35. How long is the journey (in minutes)?
  10. 10.Write 4:25 p.m. in 24-hour time. (a) 18:25 (b) 16:25 (c) 04:25
  11. 11.A film is 4 hours 5 minutes long. How many minutes is that?
  12. 12.A train leaves at 12:50 and reaches at 15:55. How long is the journey (in minutes)?
  13. 13.A match starts at 06:20 and lasts 4 hours 30 minutes. At what time does it end? (a) 10:50 (b) 09:50 (c) 11:50
  14. 14.A train leaves at 15:45 and reaches at 17:05. How long is the journey (in minutes)?
  15. 15.How many hours are there from 09:00 to 20:00?
  16. 16.A film is 2 hours 40 minutes long. How many minutes is that?
  17. 17.How many hours are there from 11:00 to 14:00?
  18. 18.How many hours are there from 09:00 to 22:00?
  19. 19.Write 1:50 p.m. in 24-hour time. (a) 15:50 (b) 13:50 (c) 01:50
  20. 20.How many hours are there from 10:00 to 23:00?
  21. 21.A match starts at 12:55 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:05 (b) 14:05 (c) 15:05
  22. 22.Write 1:10 p.m. in 24-hour time. (a) 15:10 (b) 01:10 (c) 13:10
  23. 23.How many hours are there from 08:00 to 19:00?
  24. 24.How many hours are there from 09:00 to 18:00?
  25. 25.Write 8:40 a.m. in 24-hour time. (a) 08:40 (b) 10:40 (c) 20:40
  26. 26.A match starts at 07:30 and lasts 1 hour 25 minutes. At what time does it end? (a) 08:55 (b) 07:55 (c) 09:55
  27. 27.A train leaves at 16:40 and reaches at 18:20. How long is the journey (in minutes)?
  28. 28.A train leaves at 17:05 and reaches at 17:30. How long is the journey (in minutes)?
  29. 29.A train leaves at 09:00 and reaches at 11:35. How long is the journey (in minutes)?
  30. 30.A film is 1 hour 25 minutes long. How many minutes is that?
  31. 31.A match starts at 07:30 and lasts 1 hour 10 minutes. At what time does it end? (a) 07:40 (b) 08:40 (c) 09:40
  32. 32.Write 3:45 a.m. in 24-hour time. (a) 15:45 (b) 03:45 (c) 05:45
  33. 33.How many hours are there from 06:00 to 19:00?
  34. 34.A film is 3 hours 45 minutes long. How many minutes is that?
  35. 35.A match starts at 14:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 18:05 (b) 16:05 (c) 17:05
  36. 36.What is 07:45 in 12-hour time? (a) 7:45 a.m. (b) 9:45 a.m. (c) 7:45 p.m.
  37. 37.A match starts at 13:45 and lasts 4 hours 30 minutes. At what time does it end? (a) 17:15 (b) 18:15 (c) 19:15
  38. 38.How many hours are there from 06:00 to 20:00?
  39. 39.What is 08:00 in 12-hour time? (a) 8:00 a.m. (b) 8:00 p.m. (c) 10:00 a.m.
  40. 40.Write 1:00 p.m. in 24-hour time. (a) 01:00 (b) 15:00 (c) 13:00

Answer key

  1. 23:35
  2. 9:50 a.m.
  3. 09:45
  4. 01:05
  5. 205
  6. 190
  7. 7
  8. 10:05 a.m.
  9. 55
  10. 16:25
  11. 245
  12. 185
  13. 10:50
  14. 80
  15. 11
  16. 160
  17. 3
  18. 13
  19. 13:50
  20. 13
  21. 15:05
  22. 13:10
  23. 11
  24. 9
  25. 08:40
  26. 08:55
  27. 100
  28. 25
  29. 155
  30. 85
  31. 08:40
  32. 03:45
  33. 13
  34. 225
  35. 17:05
  36. 7:45 a.m.
  37. 18:15
  38. 14
  39. 8:00 a.m.
  40. 13:00

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