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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 247 · 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.What is 21:55 in 12-hour time? (a) 9:55 p.m. (b) 11:55 p.m. (c) 9:55 a.m.
  2. 2.A film is 1 hour 20 minutes long. How many minutes is that?
  3. 3.A train leaves at 07:10 and reaches at 07:45. How long is the journey (in minutes)?
  4. 4.A train leaves at 16:50 and reaches at 19:45. How long is the journey (in minutes)?
  5. 5.How many hours are there from 11:00 to 21:00?
  6. 6.A film is 4 hours 55 minutes long. How many minutes is that?
  7. 7.A film is 4 hours 10 minutes long. How many minutes is that?
  8. 8.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 15:20 (c) 03:20
  9. 9.How many hours are there from 06:00 to 09:00?
  10. 10.A film is 2 hours 45 minutes long. How many minutes is that?
  11. 11.How many hours are there from 09:00 to 16:00?
  12. 12.What is 02:15 in 12-hour time? (a) 2:15 a.m. (b) 4:15 a.m. (c) 2:15 p.m.
  13. 13.What is 18:15 in 12-hour time? (a) 6:15 a.m. (b) 8:15 p.m. (c) 6:15 p.m.
  14. 14.How many hours are there from 11:00 to 14:00?
  15. 15.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 p.m. (c) 9:50 a.m.
  16. 16.A train leaves at 18:55 and reaches at 20:25. How long is the journey (in minutes)?
  17. 17.Write 3:00 a.m. in 24-hour time. (a) 15:00 (b) 03:00 (c) 05:00
  18. 18.A film is 3 hours 40 minutes long. How many minutes is that?
  19. 19.Write 4:40 a.m. in 24-hour time. (a) 16:40 (b) 06:40 (c) 04:40
  20. 20.A train leaves at 18:00 and reaches at 18:30. How long is the journey (in minutes)?
  21. 21.A train leaves at 13:25 and reaches at 13:55. How long is the journey (in minutes)?
  22. 22.A train leaves at 12:15 and reaches at 13:50. How long is the journey (in minutes)?
  23. 23.A match starts at 06:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 11:15 (b) 10:15 (c) 09:15
  24. 24.Write 11:40 p.m. in 24-hour time. (a) 23:40 (b) 01:40 (c) 11:40
  25. 25.Write 4:00 a.m. in 24-hour time. (a) 04:00 (b) 06:00 (c) 16:00
  26. 26.Write 5:55 p.m. in 24-hour time. (a) 05:55 (b) 17:55 (c) 19:55
  27. 27.How many hours are there from 07:00 to 16:00?
  28. 28.Write 9:20 p.m. in 24-hour time. (a) 09:20 (b) 23:20 (c) 21:20
  29. 29.A match starts at 09:45 and lasts 2 hours 20 minutes. At what time does it end? (a) 13:05 (b) 12:05 (c) 11:05
  30. 30.A match starts at 18:30 and lasts 4 hours 50 minutes. At what time does it end? (a) 23:20 (b) 00:20 (c) 22:20
  31. 31.A film is 4 hours 5 minutes long. How many minutes is that?
  32. 32.A train leaves at 09:45 and reaches at 11:05. How long is the journey (in minutes)?
  33. 33.Write 3:20 p.m. in 24-hour time. (a) 15:20 (b) 03:20 (c) 17:20
  34. 34.Write 3:15 a.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 05:15
  35. 35.A film is 2 hours 5 minutes long. How many minutes is that?
  36. 36.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 3:10 p.m. (c) 1:10 p.m.
  37. 37.A match starts at 12:20 and lasts 2 hours 35 minutes. At what time does it end? (a) 15:55 (b) 14:55 (c) 13:55
  38. 38.What is 20:10 in 12-hour time? (a) 10:10 p.m. (b) 8:10 a.m. (c) 8:10 p.m.
  39. 39.A film is 1 hour 30 minutes long. How many minutes is that?
  40. 40.What is 08:35 in 12-hour time? (a) 8:35 a.m. (b) 10:35 a.m. (c) 8:35 p.m.

Answer key

  1. 9:55 p.m.
  2. 80
  3. 35
  4. 175
  5. 10
  6. 295
  7. 250
  8. 03:20
  9. 3
  10. 165
  11. 7
  12. 2:15 a.m.
  13. 6:15 p.m.
  14. 3
  15. 9:50 a.m.
  16. 90
  17. 03:00
  18. 220
  19. 04:40
  20. 30
  21. 30
  22. 95
  23. 10:15
  24. 23:40
  25. 04:00
  26. 17:55
  27. 9
  28. 21:20
  29. 12:05
  30. 23:20
  31. 245
  32. 80
  33. 15:20
  34. 03:15
  35. 125
  36. 1:10 p.m.
  37. 14:55
  38. 8:10 p.m.
  39. 90
  40. 8:35 a.m.

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