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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 888 · 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 film is 3 hours 5 minutes long. How many minutes is that?
  2. 2.Write 4:35 a.m. in 24-hour time. (a) 16:35 (b) 04:35 (c) 06:35
  3. 3.A train leaves at 06:25 and reaches at 08:25. How long is the journey (in minutes)?
  4. 4.What is 09:25 in 12-hour time? (a) 11:25 a.m. (b) 9:25 a.m. (c) 9:25 p.m.
  5. 5.Write 2:45 a.m. in 24-hour time. (a) 14:45 (b) 02:45 (c) 04:45
  6. 6.A film is 4 hours 55 minutes long. How many minutes is that?
  7. 7.Write 9:15 p.m. in 24-hour time. (a) 09:15 (b) 21:15 (c) 23:15
  8. 8.A train leaves at 15:20 and reaches at 16:45. How long is the journey (in minutes)?
  9. 9.Write 10:00 a.m. in 24-hour time. (a) 12:00 (b) 10:00 (c) 22:00
  10. 10.How many hours are there from 06:00 to 21:00?
  11. 11.How many hours are there from 05:00 to 09:00?
  12. 12.A match starts at 14:15 and lasts 4 hours 30 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45
  13. 13.A train leaves at 14:30 and reaches at 15:45. How long is the journey (in minutes)?
  14. 14.Write 5:05 a.m. in 24-hour time. (a) 07:05 (b) 05:05 (c) 17:05
  15. 15.A film is 4 hours 40 minutes long. How many minutes is that?
  16. 16.A train leaves at 13:40 and reaches at 16:25. How long is the journey (in minutes)?
  17. 17.A train leaves at 06:10 and reaches at 08:05. How long is the journey (in minutes)?
  18. 18.What is 01:25 in 12-hour time? (a) 3:25 a.m. (b) 1:25 p.m. (c) 1:25 a.m.
  19. 19.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 3:40 p.m. (c) 1:40 p.m.
  20. 20.A film is 2 hours 45 minutes long. How many minutes is that?
  21. 21.A film is 3 hours 25 minutes long. How many minutes is that?
  22. 22.How many hours are there from 12:00 to 18:00?
  23. 23.What is 10:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 a.m. (c) 10:20 p.m.
  24. 24.A match starts at 06:10 and lasts 1 hour 15 minutes. At what time does it end? (a) 07:25 (b) 06:25 (c) 08:25
  25. 25.A train leaves at 15:55 and reaches at 18:45. How long is the journey (in minutes)?
  26. 26.A train leaves at 14:35 and reaches at 15:00. How long is the journey (in minutes)?
  27. 27.A match starts at 08:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 09:15 (b) 10:15 (c) 11:15
  28. 28.A match starts at 16:20 and lasts 1 hour 40 minutes. At what time does it end? (a) 17:00 (b) 19:00 (c) 18:00
  29. 29.How many hours are there from 06:00 to 12:00?
  30. 30.A train leaves at 07:10 and reaches at 08:55. How long is the journey (in minutes)?
  31. 31.How many hours are there from 10:00 to 22:00?
  32. 32.A film is 3 hours 40 minutes long. How many minutes is that?
  33. 33.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 04:10
  34. 34.A train leaves at 06:15 and reaches at 08:00. How long is the journey (in minutes)?
  35. 35.A train leaves at 17:30 and reaches at 19:15. How long is the journey (in minutes)?
  36. 36.Write 9:05 a.m. in 24-hour time. (a) 11:05 (b) 09:05 (c) 21:05
  37. 37.What is 06:00 in 12-hour time? (a) 8:00 a.m. (b) 6:00 p.m. (c) 6:00 a.m.
  38. 38.Write 9:30 a.m. in 24-hour time. (a) 09:30 (b) 11:30 (c) 21:30
  39. 39.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 10:55 (c) 20:55
  40. 40.How many hours are there from 06:00 to 23:00?

Answer key

  1. 185
  2. 04:35
  3. 120
  4. 9:25 a.m.
  5. 02:45
  6. 295
  7. 21:15
  8. 85
  9. 10:00
  10. 15
  11. 4
  12. 18:45
  13. 75
  14. 05:05
  15. 280
  16. 165
  17. 115
  18. 1:25 a.m.
  19. 1:40 p.m.
  20. 165
  21. 205
  22. 6
  23. 10:20 a.m.
  24. 07:25
  25. 170
  26. 25
  27. 10:15
  28. 18:00
  29. 6
  30. 105
  31. 12
  32. 220
  33. 02:10
  34. 105
  35. 105
  36. 09:05
  37. 6:00 a.m.
  38. 09:30
  39. 08:55
  40. 17

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