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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 932 · 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 train leaves at 09:00 and reaches at 09:55. How long is the journey (in minutes)?
  2. 2.What is 18:35 in 12-hour time? (a) 6:35 p.m. (b) 6:35 a.m. (c) 8:35 p.m.
  3. 3.How many hours are there from 09:00 to 15:00?
  4. 4.What is 20:05 in 12-hour time? (a) 8:05 a.m. (b) 8:05 p.m. (c) 10:05 p.m.
  5. 5.What is 08:25 in 12-hour time? (a) 8:25 p.m. (b) 10:25 a.m. (c) 8:25 a.m.
  6. 6.A train leaves at 18:40 and reaches at 19:20. How long is the journey (in minutes)?
  7. 7.A film is 3 hours 50 minutes long. How many minutes is that?
  8. 8.A match starts at 07:00 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:50 (b) 07:50 (c) 08:50
  9. 9.A train leaves at 16:40 and reaches at 17:30. How long is the journey (in minutes)?
  10. 10.What is 04:50 in 12-hour time? (a) 6:50 a.m. (b) 4:50 a.m. (c) 4:50 p.m.
  11. 11.Write 2:05 p.m. in 24-hour time. (a) 02:05 (b) 14:05 (c) 16:05
  12. 12.How many hours are there from 08:00 to 10:00?
  13. 13.Write 8:10 a.m. in 24-hour time. (a) 20:10 (b) 08:10 (c) 10:10
  14. 14.What is 18:20 in 12-hour time? (a) 8:20 p.m. (b) 6:20 p.m. (c) 6:20 a.m.
  15. 15.A train leaves at 11:00 and reaches at 11:35. How long is the journey (in minutes)?
  16. 16.What is 10:15 in 12-hour time? (a) 10:15 p.m. (b) 10:15 a.m. (c) 12:15 a.m.
  17. 17.A match starts at 07:55 and lasts 2 hours 55 minutes. At what time does it end? (a) 11:50 (b) 10:50 (c) 09:50
  18. 18.How many hours are there from 11:00 to 17:00?
  19. 19.A film is 2 hours 25 minutes long. How many minutes is that?
  20. 20.How many hours are there from 09:00 to 11:00?
  21. 21.Write 1:35 a.m. in 24-hour time. (a) 13:35 (b) 01:35 (c) 03:35
  22. 22.A film is 2 hours 35 minutes long. How many minutes is that?
  23. 23.A train leaves at 08:45 and reaches at 09:35. How long is the journey (in minutes)?
  24. 24.How many hours are there from 05:00 to 10:00?
  25. 25.How many hours are there from 10:00 to 17:00?
  26. 26.A train leaves at 09:00 and reaches at 12:00. How long is the journey (in minutes)?
  27. 27.A train leaves at 13:40 and reaches at 14:30. How long is the journey (in minutes)?
  28. 28.A match starts at 08:35 and lasts 3 hours 5 minutes. At what time does it end? (a) 10:40 (b) 11:40 (c) 12:40
  29. 29.Write 2:20 p.m. in 24-hour time. (a) 02:20 (b) 14:20 (c) 16:20
  30. 30.A train leaves at 14:40 and reaches at 15:25. How long is the journey (in minutes)?
  31. 31.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 00:40 (c) 22:40
  32. 32.A match starts at 18:00 and lasts 1 hour 15 minutes. At what time does it end? (a) 20:15 (b) 18:15 (c) 19:15
  33. 33.A film is 3 hours 55 minutes long. How many minutes is that?
  34. 34.A train leaves at 19:05 and reaches at 21:30. How long is the journey (in minutes)?
  35. 35.A train leaves at 08:25 and reaches at 10:25. How long is the journey (in minutes)?
  36. 36.Write 1:55 a.m. in 24-hour time. (a) 03:55 (b) 13:55 (c) 01:55
  37. 37.How many hours are there from 08:00 to 19:00?
  38. 38.A match starts at 07:25 and lasts 4 hours 40 minutes. At what time does it end? (a) 12:05 (b) 13:05 (c) 11:05
  39. 39.A film is 4 hours 20 minutes long. How many minutes is that?
  40. 40.Write 9:35 p.m. in 24-hour time. (a) 23:35 (b) 09:35 (c) 21:35

Answer key

  1. 55
  2. 6:35 p.m.
  3. 6
  4. 8:05 p.m.
  5. 8:25 a.m.
  6. 40
  7. 230
  8. 08:50
  9. 50
  10. 4:50 a.m.
  11. 14:05
  12. 2
  13. 08:10
  14. 6:20 p.m.
  15. 35
  16. 10:15 a.m.
  17. 10:50
  18. 6
  19. 145
  20. 2
  21. 01:35
  22. 155
  23. 50
  24. 5
  25. 7
  26. 180
  27. 50
  28. 11:40
  29. 14:20
  30. 45
  31. 22:40
  32. 19:15
  33. 235
  34. 145
  35. 120
  36. 01:55
  37. 11
  38. 12:05
  39. 260
  40. 21:35

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