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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 976 · 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 17:35 and lasts 3 hours 30 minutes. At what time does it end? (a) 20:05 (b) 21:05 (c) 22:05
  2. 2.Write 1:20 p.m. in 24-hour time. (a) 15:20 (b) 13:20 (c) 01:20
  3. 3.A film is 4 hours 35 minutes long. How many minutes is that?
  4. 4.What is 13:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 p.m. (c) 1:35 a.m.
  5. 5.A film is 2 hours 45 minutes long. How many minutes is that?
  6. 6.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 04:15 (c) 06:15
  7. 7.A train leaves at 07:50 and reaches at 10:45. How long is the journey (in minutes)?
  8. 8.What is 02:00 in 12-hour time? (a) 2:00 p.m. (b) 2:00 a.m. (c) 4:00 a.m.
  9. 9.A train leaves at 07:30 and reaches at 10:15. How long is the journey (in minutes)?
  10. 10.A train leaves at 16:05 and reaches at 17:45. How long is the journey (in minutes)?
  11. 11.What is 15:25 in 12-hour time? (a) 5:25 p.m. (b) 3:25 p.m. (c) 3:25 a.m.
  12. 12.A train leaves at 09:50 and reaches at 11:20. How long is the journey (in minutes)?
  13. 13.A train leaves at 13:40 and reaches at 16:15. How long is the journey (in minutes)?
  14. 14.A match starts at 17:05 and lasts 2 hours 40 minutes. At what time does it end? (a) 18:45 (b) 20:45 (c) 19:45
  15. 15.A film is 3 hours 15 minutes long. How many minutes is that?
  16. 16.How many hours are there from 11:00 to 14:00?
  17. 17.A match starts at 07:25 and lasts 2 hours 15 minutes. At what time does it end? (a) 10:40 (b) 08:40 (c) 09:40
  18. 18.How many hours are there from 08:00 to 19:00?
  19. 19.What is 19:50 in 12-hour time? (a) 7:50 p.m. (b) 7:50 a.m. (c) 9:50 p.m.
  20. 20.How many hours are there from 06:00 to 13:00?
  21. 21.How many hours are there from 05:00 to 19:00?
  22. 22.A film is 3 hours 40 minutes long. How many minutes is that?
  23. 23.A match starts at 14:50 and lasts 4 hours 10 minutes. At what time does it end? (a) 19:00 (b) 20:00 (c) 18:00
  24. 24.A match starts at 10:10 and lasts 4 hours 55 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 14:05
  25. 25.How many hours are there from 05:00 to 14:00?
  26. 26.Write 11:25 a.m. in 24-hour time. (a) 23:25 (b) 13:25 (c) 11:25
  27. 27.Write 1:55 p.m. in 24-hour time. (a) 01:55 (b) 13:55 (c) 15:55
  28. 28.Write 7:05 p.m. in 24-hour time. (a) 19:05 (b) 21:05 (c) 07:05
  29. 29.A film is 1 hour 45 minutes long. How many minutes is that?
  30. 30.Write 11:35 a.m. in 24-hour time. (a) 11:35 (b) 13:35 (c) 23:35
  31. 31.A film is 2 hours 30 minutes long. How many minutes is that?
  32. 32.A film is 1 hour 35 minutes long. How many minutes is that?
  33. 33.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 p.m.
  34. 34.How many hours are there from 07:00 to 23:00?
  35. 35.Write 8:05 a.m. in 24-hour time. (a) 20:05 (b) 10:05 (c) 08:05
  36. 36.What is 10:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 a.m.
  37. 37.What is 05:40 in 12-hour time? (a) 7:40 a.m. (b) 5:40 a.m. (c) 5:40 p.m.
  38. 38.A train leaves at 08:55 and reaches at 10:55. How long is the journey (in minutes)?
  39. 39.A match starts at 18:30 and lasts 2 hours 5 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 19:35
  40. 40.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 3:05 a.m. (c) 5:05 a.m.

Answer key

  1. 21:05
  2. 13:20
  3. 275
  4. 1:35 p.m.
  5. 165
  6. 04:15
  7. 175
  8. 2:00 a.m.
  9. 165
  10. 100
  11. 3:25 p.m.
  12. 90
  13. 155
  14. 19:45
  15. 195
  16. 3
  17. 09:40
  18. 11
  19. 7:50 p.m.
  20. 7
  21. 14
  22. 220
  23. 19:00
  24. 15:05
  25. 9
  26. 11:25
  27. 13:55
  28. 19:05
  29. 105
  30. 11:35
  31. 150
  32. 95
  33. 5:05 p.m.
  34. 16
  35. 08:05
  36. 10:45 a.m.
  37. 5:40 a.m.
  38. 120
  39. 20:35
  40. 3:05 a.m.

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