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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 49 · 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 07:55 in 12-hour time? (a) 7:55 p.m. (b) 9:55 a.m. (c) 7:55 a.m.
  2. 2.A train leaves at 16:55 and reaches at 19:10. How long is the journey (in minutes)?
  3. 3.A match starts at 10:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 13:15 (b) 14:15 (c) 15:15
  4. 4.How many hours are there from 12:00 to 18:00?
  5. 5.What is 22:25 in 12-hour time? (a) 12:25 p.m. (b) 10:25 a.m. (c) 10:25 p.m.
  6. 6.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 11:10 (c) 23:10
  7. 7.How many hours are there from 05:00 to 18:00?
  8. 8.What is 16:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 p.m. (c) 4:10 p.m.
  9. 9.Write 11:50 a.m. in 24-hour time. (a) 23:50 (b) 11:50 (c) 13:50
  10. 10.Write 5:15 p.m. in 24-hour time. (a) 17:15 (b) 05:15 (c) 19:15
  11. 11.A film is 1 hour 45 minutes long. How many minutes is that?
  12. 12.A match starts at 17:20 and lasts 1 hour 30 minutes. At what time does it end? (a) 19:50 (b) 17:50 (c) 18:50
  13. 13.How many hours are there from 08:00 to 13:00?
  14. 14.A train leaves at 14:35 and reaches at 15:25. How long is the journey (in minutes)?
  15. 15.A match starts at 15:45 and lasts 1 hour 15 minutes. At what time does it end? (a) 16:00 (b) 17:00 (c) 18:00
  16. 16.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 a.m. (c) 6:05 p.m.
  17. 17.How many hours are there from 11:00 to 21:00?
  18. 18.A match starts at 10:45 and lasts 1 hour 30 minutes. At what time does it end? (a) 11:15 (b) 13:15 (c) 12:15
  19. 19.What is 08:15 in 12-hour time? (a) 10:15 a.m. (b) 8:15 p.m. (c) 8:15 a.m.
  20. 20.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 17:05 (c) 05:05
  21. 21.A train leaves at 09:00 and reaches at 09:40. How long is the journey (in minutes)?
  22. 22.A match starts at 07:10 and lasts 2 hours 45 minutes. At what time does it end? (a) 10:55 (b) 09:55 (c) 08:55
  23. 23.How many hours are there from 07:00 to 16:00?
  24. 24.What is 04:45 in 12-hour time? (a) 4:45 p.m. (b) 4:45 a.m. (c) 6:45 a.m.
  25. 25.A train leaves at 18:15 and reaches at 19:20. How long is the journey (in minutes)?
  26. 26.A film is 4 hours 35 minutes long. How many minutes is that?
  27. 27.Write 2:30 a.m. in 24-hour time. (a) 14:30 (b) 04:30 (c) 02:30
  28. 28.A train leaves at 12:50 and reaches at 13:35. How long is the journey (in minutes)?
  29. 29.How many hours are there from 10:00 to 14:00?
  30. 30.What is 07:20 in 12-hour time? (a) 7:20 a.m. (b) 7:20 p.m. (c) 9:20 a.m.
  31. 31.A train leaves at 07:20 and reaches at 10:10. How long is the journey (in minutes)?
  32. 32.A film is 2 hours 35 minutes long. How many minutes is that?
  33. 33.How many hours are there from 05:00 to 10:00?
  34. 34.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 07:10 (c) 05:10
  35. 35.What is 07:10 in 12-hour time? (a) 7:10 a.m. (b) 9:10 a.m. (c) 7:10 p.m.
  36. 36.A match starts at 07:05 and lasts 2 hours. At what time does it end? (a) 08:05 (b) 09:05 (c) 10:05
  37. 37.A train leaves at 12:50 and reaches at 13:30. How long is the journey (in minutes)?
  38. 38.What is 08:40 in 12-hour time? (a) 8:40 a.m. (b) 8:40 p.m. (c) 10:40 a.m.
  39. 39.A train leaves at 15:20 and reaches at 16:30. How long is the journey (in minutes)?
  40. 40.Write 1:55 a.m. in 24-hour time. (a) 03:55 (b) 13:55 (c) 01:55

Answer key

  1. 7:55 a.m.
  2. 135
  3. 14:15
  4. 6
  5. 10:25 p.m.
  6. 11:10
  7. 13
  8. 4:10 p.m.
  9. 11:50
  10. 17:15
  11. 105
  12. 18:50
  13. 5
  14. 50
  15. 17:00
  16. 6:05 a.m.
  17. 10
  18. 12:15
  19. 8:15 a.m.
  20. 17:05
  21. 40
  22. 09:55
  23. 9
  24. 4:45 a.m.
  25. 65
  26. 275
  27. 02:30
  28. 45
  29. 4
  30. 7:20 a.m.
  31. 170
  32. 155
  33. 5
  34. 05:10
  35. 7:10 a.m.
  36. 09:05
  37. 40
  38. 8:40 a.m.
  39. 70
  40. 01:55

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