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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 42 · 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 2:10 p.m. in 24-hour time. (a) 16:10 (b) 02:10 (c) 14:10
  2. 2.How many hours are there from 05:00 to 23:00?
  3. 3.How many hours are there from 06:00 to 11:00?
  4. 4.What is 10:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 a.m. (c) 10:20 p.m.
  5. 5.Write 7:45 p.m. in 24-hour time. (a) 19:45 (b) 07:45 (c) 21:45
  6. 6.How many hours are there from 08:00 to 20:00?
  7. 7.How many hours are there from 06:00 to 23:00?
  8. 8.A film is 3 hours 15 minutes long. How many minutes is that?
  9. 9.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 13:00 (c) 03:00
  10. 10.Write 11:25 p.m. in 24-hour time. (a) 23:25 (b) 01:25 (c) 11:25
  11. 11.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 03:10 (c) 15:10
  12. 12.What is 15:45 in 12-hour time? (a) 3:45 p.m. (b) 3:45 a.m. (c) 5:45 p.m.
  13. 13.How many hours are there from 07:00 to 12:00?
  14. 14.What is 05:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 a.m.
  15. 15.A film is 1 hour 15 minutes long. How many minutes is that?
  16. 16.How many hours are there from 08:00 to 23:00?
  17. 17.A film is 2 hours 55 minutes long. How many minutes is that?
  18. 18.What is 15:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 p.m.
  19. 19.A match starts at 11:40 and lasts 1 hour 55 minutes. At what time does it end? (a) 14:35 (b) 12:35 (c) 13:35
  20. 20.A film is 2 hours 15 minutes long. How many minutes is that?
  21. 21.A train leaves at 09:40 and reaches at 11:00. How long is the journey (in minutes)?
  22. 22.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 9:40 p.m. (c) 11:40 p.m.
  23. 23.How many hours are there from 12:00 to 20:00?
  24. 24.A match starts at 06:55 and lasts 3 hours 10 minutes. At what time does it end? (a) 11:05 (b) 09:05 (c) 10:05
  25. 25.A film is 3 hours 40 minutes long. How many minutes is that?
  26. 26.Write 4:45 a.m. in 24-hour time. (a) 04:45 (b) 16:45 (c) 06:45
  27. 27.A train leaves at 12:55 and reaches at 14:50. How long is the journey (in minutes)?
  28. 28.A train leaves at 14:05 and reaches at 16:50. How long is the journey (in minutes)?
  29. 29.A film is 3 hours 35 minutes long. How many minutes is that?
  30. 30.What is 03:30 in 12-hour time? (a) 3:30 a.m. (b) 3:30 p.m. (c) 5:30 a.m.
  31. 31.A train leaves at 12:40 and reaches at 15:55. How long is the journey (in minutes)?
  32. 32.How many hours are there from 11:00 to 21:00?
  33. 33.A film is 4 hours 45 minutes long. How many minutes is that?
  34. 34.A film is 1 hour 20 minutes long. How many minutes is that?
  35. 35.A match starts at 18:10 and lasts 4 hours 50 minutes. At what time does it end? (a) 23:00 (b) 22:00 (c) 00:00
  36. 36.How many hours are there from 05:00 to 07:00?
  37. 37.Write 9:40 a.m. in 24-hour time. (a) 21:40 (b) 11:40 (c) 09:40
  38. 38.A film is 3 hours 50 minutes long. How many minutes is that?
  39. 39.What is 13:50 in 12-hour time? (a) 3:50 p.m. (b) 1:50 p.m. (c) 1:50 a.m.
  40. 40.A train leaves at 11:40 and reaches at 14:45. How long is the journey (in minutes)?

Answer key

  1. 14:10
  2. 18
  3. 5
  4. 10:20 a.m.
  5. 19:45
  6. 12
  7. 17
  8. 195
  9. 01:00
  10. 23:25
  11. 03:10
  12. 3:45 p.m.
  13. 5
  14. 5:05 a.m.
  15. 75
  16. 15
  17. 175
  18. 3:50 p.m.
  19. 13:35
  20. 135
  21. 80
  22. 9:40 p.m.
  23. 8
  24. 10:05
  25. 220
  26. 04:45
  27. 115
  28. 165
  29. 215
  30. 3:30 a.m.
  31. 195
  32. 10
  33. 285
  34. 80
  35. 23:00
  36. 2
  37. 09:40
  38. 230
  39. 1:50 p.m.
  40. 185

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