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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 369 · 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.Write 10:40 a.m. in 24-hour time. (a) 22:40 (b) 12:40 (c) 10:40
  2. 2.How many hours are there from 08:00 to 15:00?
  3. 3.What is 13:15 in 12-hour time? (a) 1:15 a.m. (b) 3:15 p.m. (c) 1:15 p.m.
  4. 4.How many hours are there from 12:00 to 20:00?
  5. 5.Write 4:05 p.m. in 24-hour time. (a) 04:05 (b) 16:05 (c) 18:05
  6. 6.A train leaves at 15:30 and reaches at 17:50. How long is the journey (in minutes)?
  7. 7.A film is 1 hour 5 minutes long. How many minutes is that?
  8. 8.A match starts at 09:45 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:55 (b) 13:55 (c) 12:55
  9. 9.A match starts at 13:50 and lasts 1 hour 5 minutes. At what time does it end? (a) 14:55 (b) 13:55 (c) 15:55
  10. 10.A match starts at 16:45 and lasts 4 hours 55 minutes. At what time does it end? (a) 20:40 (b) 22:40 (c) 21:40
  11. 11.How many hours are there from 07:00 to 10:00?
  12. 12.How many hours are there from 06:00 to 22:00?
  13. 13.What is 01:30 in 12-hour time? (a) 3:30 a.m. (b) 1:30 p.m. (c) 1:30 a.m.
  14. 14.How many hours are there from 05:00 to 12:00?
  15. 15.What is 22:55 in 12-hour time? (a) 12:55 p.m. (b) 10:55 a.m. (c) 10:55 p.m.
  16. 16.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 07:10 (c) 17:10
  17. 17.A match starts at 08:10 and lasts 1 hour 50 minutes. At what time does it end? (a) 10:00 (b) 11:00 (c) 09:00
  18. 18.How many hours are there from 05:00 to 11:00?
  19. 19.A match starts at 12:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 16:35 (b) 18:35 (c) 17:35
  20. 20.How many hours are there from 06:00 to 16:00?
  21. 21.A film is 3 hours 40 minutes long. How many minutes is that?
  22. 22.A match starts at 13:40 and lasts 4 hours 15 minutes. At what time does it end? (a) 18:55 (b) 16:55 (c) 17:55
  23. 23.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 3:40 a.m. (c) 1:40 a.m.
  24. 24.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 16:10 (c) 04:10
  25. 25.A film is 4 hours 5 minutes long. How many minutes is that?
  26. 26.A film is 2 hours 45 minutes long. How many minutes is that?
  27. 27.Write 2:00 a.m. in 24-hour time. (a) 04:00 (b) 02:00 (c) 14:00
  28. 28.Write 11:05 a.m. in 24-hour time. (a) 23:05 (b) 13:05 (c) 11:05
  29. 29.How many hours are there from 09:00 to 19:00?
  30. 30.Write 11:10 p.m. in 24-hour time. (a) 23:10 (b) 11:10 (c) 01:10
  31. 31.What is 04:30 in 12-hour time? (a) 4:30 p.m. (b) 6:30 a.m. (c) 4:30 a.m.
  32. 32.A match starts at 18:35 and lasts 2 hours 45 minutes. At what time does it end? (a) 22:20 (b) 21:20 (c) 20:20
  33. 33.What is 10:45 in 12-hour time? (a) 10:45 a.m. (b) 10:45 p.m. (c) 12:45 a.m.
  34. 34.A match starts at 12:40 and lasts 1 hour 45 minutes. At what time does it end? (a) 13:25 (b) 14:25 (c) 15:25
  35. 35.How many hours are there from 11:00 to 20:00?
  36. 36.A train leaves at 18:05 and reaches at 20:00. How long is the journey (in minutes)?
  37. 37.A film is 1 hour 25 minutes long. How many minutes is that?
  38. 38.A film is 2 hours 50 minutes long. How many minutes is that?
  39. 39.How many hours are there from 09:00 to 20:00?
  40. 40.A match starts at 16:35 and lasts 4 hours 15 minutes. At what time does it end? (a) 19:50 (b) 20:50 (c) 21:50

Answer key

  1. 10:40
  2. 7
  3. 1:15 p.m.
  4. 8
  5. 16:05
  6. 140
  7. 65
  8. 13:55
  9. 14:55
  10. 21:40
  11. 3
  12. 16
  13. 1:30 a.m.
  14. 7
  15. 10:55 p.m.
  16. 05:10
  17. 10:00
  18. 6
  19. 17:35
  20. 10
  21. 220
  22. 17:55
  23. 1:40 a.m.
  24. 04:10
  25. 245
  26. 165
  27. 02:00
  28. 11:05
  29. 10
  30. 23:10
  31. 4:30 a.m.
  32. 21:20
  33. 10:45 a.m.
  34. 14:25
  35. 9
  36. 115
  37. 85
  38. 170
  39. 11
  40. 20:50

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