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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 731 · 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.A match starts at 18:25 and lasts 4 hours 5 minutes. At what time does it end? (a) 23:30 (b) 22:30 (c) 21:30
  2. 2.A train leaves at 06:20 and reaches at 08:30. How long is the journey (in minutes)?
  3. 3.What is 20:05 in 12-hour time? (a) 10:05 p.m. (b) 8:05 p.m. (c) 8:05 a.m.
  4. 4.A match starts at 16:20 and lasts 2 hours 20 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 19:40
  5. 5.Write 6:55 a.m. in 24-hour time. (a) 08:55 (b) 06:55 (c) 18:55
  6. 6.How many hours are there from 05:00 to 17:00?
  7. 7.A film is 3 hours 40 minutes long. How many minutes is that?
  8. 8.A match starts at 16:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 19:10 (b) 17:10 (c) 18:10
  9. 9.A train leaves at 08:50 and reaches at 09:40. How long is the journey (in minutes)?
  10. 10.A train leaves at 08:15 and reaches at 10:50. How long is the journey (in minutes)?
  11. 11.How many hours are there from 10:00 to 23:00?
  12. 12.How many hours are there from 07:00 to 09:00?
  13. 13.What is 20:35 in 12-hour time? (a) 8:35 p.m. (b) 8:35 a.m. (c) 10:35 p.m.
  14. 14.Write 6:10 a.m. in 24-hour time. (a) 18:10 (b) 06:10 (c) 08:10
  15. 15.How many hours are there from 09:00 to 19:00?
  16. 16.Write 3:45 p.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 17:45
  17. 17.A match starts at 08:00 and lasts 3 hours 50 minutes. At what time does it end? (a) 11:50 (b) 10:50 (c) 12:50
  18. 18.Write 4:55 p.m. in 24-hour time. (a) 16:55 (b) 18:55 (c) 04:55
  19. 19.A film is 2 hours 5 minutes long. How many minutes is that?
  20. 20.What is 15:30 in 12-hour time? (a) 5:30 p.m. (b) 3:30 a.m. (c) 3:30 p.m.
  21. 21.Write 10:10 a.m. in 24-hour time. (a) 10:10 (b) 22:10 (c) 12:10
  22. 22.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 23:45 (c) 09:45
  23. 23.Write 4:15 p.m. in 24-hour time. (a) 18:15 (b) 16:15 (c) 04:15
  24. 24.What is 22:10 in 12-hour time? (a) 12:10 p.m. (b) 10:10 a.m. (c) 10:10 p.m.
  25. 25.How many hours are there from 08:00 to 14:00?
  26. 26.A train leaves at 15:45 and reaches at 18:25. How long is the journey (in minutes)?
  27. 27.A film is 3 hours 10 minutes long. How many minutes is that?
  28. 28.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 3:05 a.m. (c) 5:05 a.m.
  29. 29.A match starts at 06:05 and lasts 3 hours 50 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 08:55
  30. 30.A film is 2 hours 10 minutes long. How many minutes is that?
  31. 31.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 03:20 (c) 13:20
  32. 32.Write 7:35 p.m. in 24-hour time. (a) 07:35 (b) 19:35 (c) 21:35
  33. 33.What is 05:50 in 12-hour time? (a) 5:50 a.m. (b) 5:50 p.m. (c) 7:50 a.m.
  34. 34.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 04:10
  35. 35.What is 01:10 in 12-hour time? (a) 1:10 a.m. (b) 1:10 p.m. (c) 3:10 a.m.
  36. 36.A match starts at 10:50 and lasts 3 hours 45 minutes. At what time does it end? (a) 15:35 (b) 14:35 (c) 13:35
  37. 37.Write 5:10 p.m. in 24-hour time. (a) 17:10 (b) 19:10 (c) 05:10
  38. 38.Write 6:20 a.m. in 24-hour time. (a) 06:20 (b) 18:20 (c) 08:20
  39. 39.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 09:00 (c) 21:00
  40. 40.A match starts at 13:20 and lasts 1 hour 25 minutes. At what time does it end? (a) 13:45 (b) 15:45 (c) 14:45

Answer key

  1. 22:30
  2. 130
  3. 8:05 p.m.
  4. 18:40
  5. 06:55
  6. 12
  7. 220
  8. 18:10
  9. 50
  10. 155
  11. 13
  12. 2
  13. 8:35 p.m.
  14. 06:10
  15. 10
  16. 15:45
  17. 11:50
  18. 16:55
  19. 125
  20. 3:30 p.m.
  21. 10:10
  22. 21:45
  23. 16:15
  24. 10:10 p.m.
  25. 6
  26. 160
  27. 190
  28. 3:05 a.m.
  29. 09:55
  30. 130
  31. 01:20
  32. 19:35
  33. 5:50 a.m.
  34. 02:10
  35. 1:10 a.m.
  36. 14:35
  37. 17:10
  38. 06:20
  39. 09:00
  40. 14:45

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