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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 955 · 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.What is 16:30 in 12-hour time? (a) 4:30 p.m. (b) 4:30 a.m. (c) 6:30 p.m.
  2. 2.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 p.m. (c) 7:00 a.m.
  3. 3.A match starts at 18:20 and lasts 1 hour 30 minutes. At what time does it end? (a) 20:50 (b) 19:50 (c) 18:50
  4. 4.How many hours are there from 06:00 to 14:00?
  5. 5.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 a.m. (c) 1:35 a.m.
  6. 6.How many hours are there from 09:00 to 22:00?
  7. 7.What is 02:45 in 12-hour time? (a) 2:45 a.m. (b) 4:45 a.m. (c) 2:45 p.m.
  8. 8.What is 14:10 in 12-hour time? (a) 4:10 p.m. (b) 2:10 p.m. (c) 2:10 a.m.
  9. 9.A train leaves at 18:15 and reaches at 18:40. How long is the journey (in minutes)?
  10. 10.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 12:15 (c) 22:15
  11. 11.A train leaves at 16:05 and reaches at 18:50. How long is the journey (in minutes)?
  12. 12.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 7:05 p.m. (c) 5:05 a.m.
  13. 13.A train leaves at 06:35 and reaches at 08:10. How long is the journey (in minutes)?
  14. 14.How many hours are there from 06:00 to 21:00?
  15. 15.A match starts at 18:00 and lasts 3 hours 5 minutes. At what time does it end? (a) 20:05 (b) 21:05 (c) 22:05
  16. 16.What is 15:00 in 12-hour time? (a) 3:00 p.m. (b) 3:00 a.m. (c) 5:00 p.m.
  17. 17.What is 09:10 in 12-hour time? (a) 11:10 a.m. (b) 9:10 p.m. (c) 9:10 a.m.
  18. 18.How many hours are there from 06:00 to 20:00?
  19. 19.A film is 4 hours 35 minutes long. How many minutes is that?
  20. 20.What is 07:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 a.m.
  21. 21.How many hours are there from 05:00 to 21:00?
  22. 22.Write 8:10 a.m. in 24-hour time. (a) 10:10 (b) 20:10 (c) 08:10
  23. 23.A match starts at 18:50 and lasts 3 hours 40 minutes. At what time does it end? (a) 22:30 (b) 23:30 (c) 21:30
  24. 24.Write 11:45 p.m. in 24-hour time. (a) 11:45 (b) 01:45 (c) 23:45
  25. 25.How many hours are there from 10:00 to 14:00?
  26. 26.Write 11:30 a.m. in 24-hour time. (a) 23:30 (b) 11:30 (c) 13:30
  27. 27.A match starts at 14:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 17:15 (b) 15:15 (c) 16:15
  28. 28.A film is 4 hours 40 minutes long. How many minutes is that?
  29. 29.A match starts at 08:20 and lasts 3 hours 40 minutes. At what time does it end? (a) 13:00 (b) 11:00 (c) 12:00
  30. 30.Write 8:35 a.m. in 24-hour time. (a) 10:35 (b) 08:35 (c) 20:35
  31. 31.How many hours are there from 08:00 to 13:00?
  32. 32.What is 10:20 in 12-hour time? (a) 10:20 a.m. (b) 10:20 p.m. (c) 12:20 a.m.
  33. 33.A match starts at 14:35 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:05 (b) 18:05 (c) 19:05
  34. 34.A film is 4 hours 20 minutes long. How many minutes is that?
  35. 35.A match starts at 17:45 and lasts 1 hour 40 minutes. At what time does it end? (a) 19:25 (b) 18:25 (c) 20:25
  36. 36.A train leaves at 08:25 and reaches at 09:20. How long is the journey (in minutes)?
  37. 37.A match starts at 17:25 and lasts 1 hour 30 minutes. At what time does it end? (a) 19:55 (b) 18:55 (c) 17:55
  38. 38.Write 7:35 a.m. in 24-hour time. (a) 09:35 (b) 07:35 (c) 19:35
  39. 39.A train leaves at 13:10 and reaches at 14:00. How long is the journey (in minutes)?
  40. 40.How many hours are there from 08:00 to 19:00?

Answer key

  1. 4:30 p.m.
  2. 7:00 a.m.
  3. 19:50
  4. 8
  5. 1:35 a.m.
  6. 13
  7. 2:45 a.m.
  8. 2:10 p.m.
  9. 25
  10. 10:15
  11. 165
  12. 5:05 p.m.
  13. 95
  14. 15
  15. 21:05
  16. 3:00 p.m.
  17. 9:10 a.m.
  18. 14
  19. 275
  20. 7:20 a.m.
  21. 16
  22. 08:10
  23. 22:30
  24. 23:45
  25. 4
  26. 11:30
  27. 16:15
  28. 280
  29. 12:00
  30. 08:35
  31. 5
  32. 10:20 a.m.
  33. 19:05
  34. 260
  35. 19:25
  36. 55
  37. 18:55
  38. 07:35
  39. 50
  40. 11

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