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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 937 · 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 09:10 and reaches at 10:30. How long is the journey (in minutes)?
  2. 2.What is 21:45 in 12-hour time? (a) 9:45 a.m. (b) 11:45 p.m. (c) 9:45 p.m.
  3. 3.How many hours are there from 09:00 to 23:00?
  4. 4.Write 1:10 a.m. in 24-hour time. (a) 13:10 (b) 01:10 (c) 03:10
  5. 5.A film is 4 hours 15 minutes long. How many minutes is that?
  6. 6.Write 11:10 p.m. in 24-hour time. (a) 11:10 (b) 23:10 (c) 01:10
  7. 7.What is 13:20 in 12-hour time? (a) 1:20 a.m. (b) 1:20 p.m. (c) 3:20 p.m.
  8. 8.A match starts at 08:45 and lasts 4 hours 5 minutes. At what time does it end? (a) 13:50 (b) 11:50 (c) 12:50
  9. 9.A match starts at 18:55 and lasts 4 hours 25 minutes. At what time does it end? (a) 22:20 (b) 23:20 (c) 00:20
  10. 10.How many hours are there from 09:00 to 11:00?
  11. 11.How many hours are there from 09:00 to 19:00?
  12. 12.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 07:15 (c) 17:15
  13. 13.What is 10:05 in 12-hour time? (a) 12:05 a.m. (b) 10:05 a.m. (c) 10:05 p.m.
  14. 14.Write 4:00 p.m. in 24-hour time. (a) 04:00 (b) 16:00 (c) 18:00
  15. 15.How many hours are there from 08:00 to 14:00?
  16. 16.What is 04:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 a.m. (c) 4:15 a.m.
  17. 17.A train leaves at 12:50 and reaches at 13:50. How long is the journey (in minutes)?
  18. 18.How many hours are there from 07:00 to 12:00?
  19. 19.A match starts at 10:05 and lasts 2 hours 30 minutes. At what time does it end? (a) 11:35 (b) 12:35 (c) 13:35
  20. 20.Write 3:00 a.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 05:00
  21. 21.A match starts at 17:35 and lasts 3 hours 45 minutes. At what time does it end? (a) 20:20 (b) 21:20 (c) 22:20
  22. 22.A train leaves at 07:05 and reaches at 09:00. How long is the journey (in minutes)?
  23. 23.A train leaves at 19:55 and reaches at 21:00. How long is the journey (in minutes)?
  24. 24.How many hours are there from 10:00 to 23:00?
  25. 25.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 4:55 a.m. (c) 6:55 a.m.
  26. 26.A film is 1 hour 55 minutes long. How many minutes is that?
  27. 27.How many hours are there from 05:00 to 20:00?
  28. 28.A match starts at 12:10 and lasts 2 hours 35 minutes. At what time does it end? (a) 15:45 (b) 13:45 (c) 14:45
  29. 29.A train leaves at 14:35 and reaches at 16:30. How long is the journey (in minutes)?
  30. 30.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 04:15 (c) 02:15
  31. 31.Write 3:35 a.m. in 24-hour time. (a) 03:35 (b) 05:35 (c) 15:35
  32. 32.How many hours are there from 11:00 to 13:00?
  33. 33.Write 2:10 a.m. in 24-hour time. (a) 02:10 (b) 14:10 (c) 04:10
  34. 34.Write 1:35 p.m. in 24-hour time. (a) 15:35 (b) 13:35 (c) 01:35
  35. 35.How many hours are there from 09:00 to 16:00?
  36. 36.Write 6:20 p.m. in 24-hour time. (a) 18:20 (b) 06:20 (c) 20:20
  37. 37.A film is 1 hour 45 minutes long. How many minutes is that?
  38. 38.Write 2:40 p.m. in 24-hour time. (a) 14:40 (b) 02:40 (c) 16:40
  39. 39.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 3:30 p.m. (c) 5:30 p.m.
  40. 40.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 13:00 (c) 03:00

Answer key

  1. 80
  2. 9:45 p.m.
  3. 14
  4. 01:10
  5. 255
  6. 23:10
  7. 1:20 p.m.
  8. 12:50
  9. 23:20
  10. 2
  11. 10
  12. 05:15
  13. 10:05 a.m.
  14. 16:00
  15. 6
  16. 4:15 a.m.
  17. 60
  18. 5
  19. 12:35
  20. 03:00
  21. 21:20
  22. 115
  23. 65
  24. 13
  25. 4:55 a.m.
  26. 115
  27. 15
  28. 14:45
  29. 115
  30. 02:15
  31. 03:35
  32. 2
  33. 02:10
  34. 13:35
  35. 7
  36. 18:20
  37. 105
  38. 14:40
  39. 3:30 p.m.
  40. 01:00

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