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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 340 · 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 3:00 a.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 05:00
  2. 2.How many hours are there from 12:00 to 19:00?
  3. 3.A match starts at 11:25 and lasts 1 hour 10 minutes. At what time does it end? (a) 13:35 (b) 11:35 (c) 12:35
  4. 4.How many hours are there from 08:00 to 23:00?
  5. 5.A film is 3 hours 55 minutes long. How many minutes is that?
  6. 6.Write 2:50 p.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 16:50
  7. 7.What is 11:50 in 12-hour time? (a) 11:50 a.m. (b) 11:50 p.m. (c) 1:50 a.m.
  8. 8.What is 15:35 in 12-hour time? (a) 3:35 a.m. (b) 5:35 p.m. (c) 3:35 p.m.
  9. 9.A film is 4 hours 15 minutes long. How many minutes is that?
  10. 10.What is 14:15 in 12-hour time? (a) 2:15 a.m. (b) 4:15 p.m. (c) 2:15 p.m.
  11. 11.A match starts at 06:00 and lasts 2 hours 45 minutes. At what time does it end? (a) 08:45 (b) 09:45 (c) 07:45
  12. 12.What is 21:10 in 12-hour time? (a) 9:10 p.m. (b) 11:10 p.m. (c) 9:10 a.m.
  13. 13.How many hours are there from 08:00 to 14:00?
  14. 14.How many hours are there from 06:00 to 22:00?
  15. 15.A film is 3 hours 10 minutes long. How many minutes is that?
  16. 16.A train leaves at 07:00 and reaches at 08:20. How long is the journey (in minutes)?
  17. 17.A match starts at 17:55 and lasts 1 hour. At what time does it end? (a) 18:55 (b) 17:55 (c) 19:55
  18. 18.Write 10:50 a.m. in 24-hour time. (a) 12:50 (b) 22:50 (c) 10:50
  19. 19.What is 10:20 in 12-hour time? (a) 12:20 a.m. (b) 10:20 p.m. (c) 10:20 a.m.
  20. 20.A match starts at 14:40 and lasts 1 hour 55 minutes. At what time does it end? (a) 17:35 (b) 16:35 (c) 15:35
  21. 21.What is 09:55 in 12-hour time? (a) 9:55 p.m. (b) 11:55 a.m. (c) 9:55 a.m.
  22. 22.A train leaves at 15:50 and reaches at 18:55. How long is the journey (in minutes)?
  23. 23.Write 7:25 a.m. in 24-hour time. (a) 07:25 (b) 09:25 (c) 19:25
  24. 24.A match starts at 16:30 and lasts 3 hours. At what time does it end? (a) 18:30 (b) 19:30 (c) 20:30
  25. 25.Write 9:55 a.m. in 24-hour time. (a) 11:55 (b) 21:55 (c) 09:55
  26. 26.What is 17:45 in 12-hour time? (a) 5:45 a.m. (b) 7:45 p.m. (c) 5:45 p.m.
  27. 27.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
  28. 28.Write 7:40 a.m. in 24-hour time. (a) 19:40 (b) 09:40 (c) 07:40
  29. 29.Write 6:45 a.m. in 24-hour time. (a) 08:45 (b) 18:45 (c) 06:45
  30. 30.What is 15:10 in 12-hour time? (a) 3:10 a.m. (b) 5:10 p.m. (c) 3:10 p.m.
  31. 31.A train leaves at 07:10 and reaches at 10:25. How long is the journey (in minutes)?
  32. 32.A train leaves at 16:15 and reaches at 18:30. How long is the journey (in minutes)?
  33. 33.A train leaves at 10:50 and reaches at 13:15. How long is the journey (in minutes)?
  34. 34.A train leaves at 15:35 and reaches at 16:30. How long is the journey (in minutes)?
  35. 35.A match starts at 07:15 and lasts 2 hours 25 minutes. At what time does it end? (a) 09:40 (b) 10:40 (c) 08:40
  36. 36.A match starts at 09:55 and lasts 3 hours 55 minutes. At what time does it end? (a) 13:50 (b) 14:50 (c) 12:50
  37. 37.A train leaves at 10:40 and reaches at 12:30. How long is the journey (in minutes)?
  38. 38.Write 2:20 a.m. in 24-hour time. (a) 02:20 (b) 04:20 (c) 14:20
  39. 39.What is 04:50 in 12-hour time? (a) 4:50 a.m. (b) 4:50 p.m. (c) 6:50 a.m.
  40. 40.Write 8:55 p.m. in 24-hour time. (a) 20:55 (b) 22:55 (c) 08:55

Answer key

  1. 03:00
  2. 7
  3. 12:35
  4. 15
  5. 235
  6. 14:50
  7. 11:50 a.m.
  8. 3:35 p.m.
  9. 255
  10. 2:15 p.m.
  11. 08:45
  12. 9:10 p.m.
  13. 6
  14. 16
  15. 190
  16. 80
  17. 18:55
  18. 10:50
  19. 10:20 a.m.
  20. 16:35
  21. 9:55 a.m.
  22. 185
  23. 07:25
  24. 19:30
  25. 09:55
  26. 5:45 p.m.
  27. 09:00
  28. 07:40
  29. 06:45
  30. 3:10 p.m.
  31. 195
  32. 135
  33. 145
  34. 55
  35. 09:40
  36. 13:50
  37. 110
  38. 02:20
  39. 4:50 a.m.
  40. 20:55

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