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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 170 · 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 04:25 in 12-hour time? (a) 6:25 a.m. (b) 4:25 p.m. (c) 4:25 a.m.
  2. 2.A match starts at 07:35 and lasts 1 hour 55 minutes. At what time does it end? (a) 08:30 (b) 09:30 (c) 10:30
  3. 3.Write 9:10 a.m. in 24-hour time. (a) 09:10 (b) 11:10 (c) 21:10
  4. 4.A match starts at 09:35 and lasts 3 hours 5 minutes. At what time does it end? (a) 11:40 (b) 13:40 (c) 12:40
  5. 5.How many hours are there from 11:00 to 14:00?
  6. 6.Write 7:55 p.m. in 24-hour time. (a) 07:55 (b) 19:55 (c) 21:55
  7. 7.A match starts at 12:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 17:15
  8. 8.A film is 3 hours 5 minutes long. How many minutes is that?
  9. 9.A match starts at 07:55 and lasts 3 hours 40 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 12:35
  10. 10.What is 01:45 in 12-hour time? (a) 1:45 a.m. (b) 3:45 a.m. (c) 1:45 p.m.
  11. 11.What is 05:50 in 12-hour time? (a) 7:50 a.m. (b) 5:50 p.m. (c) 5:50 a.m.
  12. 12.What is 22:05 in 12-hour time? (a) 12:05 p.m. (b) 10:05 a.m. (c) 10:05 p.m.
  13. 13.A match starts at 17:20 and lasts 2 hours 55 minutes. At what time does it end? (a) 19:15 (b) 21:15 (c) 20:15
  14. 14.What is 15:40 in 12-hour time? (a) 5:40 p.m. (b) 3:40 a.m. (c) 3:40 p.m.
  15. 15.A train leaves at 12:20 and reaches at 15:35. How long is the journey (in minutes)?
  16. 16.A train leaves at 07:00 and reaches at 07:40. How long is the journey (in minutes)?
  17. 17.A film is 4 hours 5 minutes long. How many minutes is that?
  18. 18.Write 5:05 a.m. in 24-hour time. (a) 17:05 (b) 05:05 (c) 07:05
  19. 19.A train leaves at 19:15 and reaches at 20:00. How long is the journey (in minutes)?
  20. 20.How many hours are there from 05:00 to 07:00?
  21. 21.A film is 3 hours 10 minutes long. How many minutes is that?
  22. 22.What is 23:05 in 12-hour time? (a) 1:05 p.m. (b) 11:05 a.m. (c) 11:05 p.m.
  23. 23.Write 5:50 p.m. in 24-hour time. (a) 05:50 (b) 19:50 (c) 17:50
  24. 24.How many hours are there from 06:00 to 23:00?
  25. 25.What is 19:25 in 12-hour time? (a) 9:25 p.m. (b) 7:25 a.m. (c) 7:25 p.m.
  26. 26.What is 19:15 in 12-hour time? (a) 9:15 p.m. (b) 7:15 p.m. (c) 7:15 a.m.
  27. 27.What is 03:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 a.m. (c) 3:30 p.m.
  28. 28.Write 5:25 a.m. in 24-hour time. (a) 17:25 (b) 07:25 (c) 05:25
  29. 29.What is 14:10 in 12-hour time? (a) 2:10 p.m. (b) 2:10 a.m. (c) 4:10 p.m.
  30. 30.Write 6:55 a.m. in 24-hour time. (a) 18:55 (b) 06:55 (c) 08:55
  31. 31.A match starts at 16:45 and lasts 4 hours 15 minutes. At what time does it end? (a) 20:00 (b) 22:00 (c) 21:00
  32. 32.A train leaves at 06:35 and reaches at 09:45. How long is the journey (in minutes)?
  33. 33.A match starts at 13:30 and lasts 2 hours. At what time does it end? (a) 14:30 (b) 16:30 (c) 15:30
  34. 34.Write 3:25 a.m. in 24-hour time. (a) 05:25 (b) 03:25 (c) 15:25
  35. 35.A film is 1 hour 30 minutes long. How many minutes is that?
  36. 36.What is 08:20 in 12-hour time? (a) 10:20 a.m. (b) 8:20 a.m. (c) 8:20 p.m.
  37. 37.A match starts at 14:25 and lasts 4 hours. At what time does it end? (a) 19:25 (b) 17:25 (c) 18:25
  38. 38.A match starts at 09:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:10 (b) 11:10 (c) 10:10
  39. 39.A match starts at 15:30 and lasts 1 hour 25 minutes. At what time does it end? (a) 15:55 (b) 16:55 (c) 17:55
  40. 40.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 11:05 (c) 23:05

Answer key

  1. 4:25 a.m.
  2. 09:30
  3. 09:10
  4. 12:40
  5. 3
  6. 19:55
  7. 16:15
  8. 185
  9. 11:35
  10. 1:45 a.m.
  11. 5:50 a.m.
  12. 10:05 p.m.
  13. 20:15
  14. 3:40 p.m.
  15. 195
  16. 40
  17. 245
  18. 05:05
  19. 45
  20. 2
  21. 190
  22. 11:05 p.m.
  23. 17:50
  24. 17
  25. 7:25 p.m.
  26. 7:15 p.m.
  27. 3:30 a.m.
  28. 05:25
  29. 2:10 p.m.
  30. 06:55
  31. 21:00
  32. 190
  33. 15:30
  34. 03:25
  35. 90
  36. 8:20 a.m.
  37. 18:25
  38. 10:10
  39. 16:55
  40. 11:05

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