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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 157 · 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 16:00 and lasts 2 hours 20 minutes. At what time does it end? (a) 17:20 (b) 19:20 (c) 18:20
  2. 2.What is 04:50 in 12-hour time? (a) 4:50 a.m. (b) 6:50 a.m. (c) 4:50 p.m.
  3. 3.How many hours are there from 10:00 to 21:00?
  4. 4.How many hours are there from 05:00 to 11:00?
  5. 5.A match starts at 09:55 and lasts 2 hours 45 minutes. At what time does it end? (a) 13:40 (b) 12:40 (c) 11:40
  6. 6.Write 8:30 a.m. in 24-hour time. (a) 20:30 (b) 08:30 (c) 10:30
  7. 7.How many hours are there from 10:00 to 13:00?
  8. 8.A film is 4 hours 25 minutes long. How many minutes is that?
  9. 9.A train leaves at 18:10 and reaches at 19:05. How long is the journey (in minutes)?
  10. 10.What is 10:00 in 12-hour time? (a) 10:00 a.m. (b) 12:00 a.m. (c) 10:00 p.m.
  11. 11.A train leaves at 06:05 and reaches at 08:50. How long is the journey (in minutes)?
  12. 12.Write 4:50 p.m. in 24-hour time. (a) 18:50 (b) 16:50 (c) 04:50
  13. 13.How many hours are there from 06:00 to 22:00?
  14. 14.What is 23:50 in 12-hour time? (a) 11:50 a.m. (b) 11:50 p.m. (c) 1:50 p.m.
  15. 15.A film is 4 hours 55 minutes long. How many minutes is that?
  16. 16.A film is 1 hour 5 minutes long. How many minutes is that?
  17. 17.Write 6:50 a.m. in 24-hour time. (a) 18:50 (b) 08:50 (c) 06:50
  18. 18.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 a.m.
  19. 19.How many hours are there from 10:00 to 20:00?
  20. 20.A film is 2 hours 40 minutes long. How many minutes is that?
  21. 21.How many hours are there from 06:00 to 11:00?
  22. 22.A film is 3 hours 20 minutes long. How many minutes is that?
  23. 23.A train leaves at 18:35 and reaches at 21:10. How long is the journey (in minutes)?
  24. 24.How many hours are there from 09:00 to 18:00?
  25. 25.A train leaves at 09:20 and reaches at 10:35. How long is the journey (in minutes)?
  26. 26.Write 2:05 a.m. in 24-hour time. (a) 02:05 (b) 14:05 (c) 04:05
  27. 27.A film is 3 hours 40 minutes long. How many minutes is that?
  28. 28.What is 20:50 in 12-hour time? (a) 8:50 p.m. (b) 8:50 a.m. (c) 10:50 p.m.
  29. 29.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 11:05 a.m. (c) 9:05 a.m.
  30. 30.What is 03:10 in 12-hour time? (a) 3:10 a.m. (b) 5:10 a.m. (c) 3:10 p.m.
  31. 31.What is 20:05 in 12-hour time? (a) 8:05 a.m. (b) 10:05 p.m. (c) 8:05 p.m.
  32. 32.A film is 2 hours 30 minutes long. How many minutes is that?
  33. 33.A train leaves at 09:35 and reaches at 11:35. How long is the journey (in minutes)?
  34. 34.Write 3:40 p.m. in 24-hour time. (a) 03:40 (b) 17:40 (c) 15:40
  35. 35.How many hours are there from 12:00 to 14:00?
  36. 36.A film is 1 hour 20 minutes long. How many minutes is that?
  37. 37.What is 01:45 in 12-hour time? (a) 1:45 a.m. (b) 3:45 a.m. (c) 1:45 p.m.
  38. 38.What is 18:25 in 12-hour time? (a) 6:25 a.m. (b) 6:25 p.m. (c) 8:25 p.m.
  39. 39.A film is 1 hour 15 minutes long. How many minutes is that?
  40. 40.What is 13:25 in 12-hour time? (a) 1:25 p.m. (b) 3:25 p.m. (c) 1:25 a.m.

Answer key

  1. 18:20
  2. 4:50 a.m.
  3. 11
  4. 6
  5. 12:40
  6. 08:30
  7. 3
  8. 265
  9. 55
  10. 10:00 a.m.
  11. 165
  12. 16:50
  13. 16
  14. 11:50 p.m.
  15. 295
  16. 65
  17. 06:50
  18. 1:35 a.m.
  19. 10
  20. 160
  21. 5
  22. 200
  23. 155
  24. 9
  25. 75
  26. 02:05
  27. 220
  28. 8:50 p.m.
  29. 9:05 a.m.
  30. 3:10 a.m.
  31. 8:05 p.m.
  32. 150
  33. 120
  34. 15:40
  35. 2
  36. 80
  37. 1:45 a.m.
  38. 6:25 p.m.
  39. 75
  40. 1:25 p.m.

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