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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 763 · 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.How many hours are there from 05:00 to 07:00?
  2. 2.What is 03:05 in 12-hour time? (a) 5:05 a.m. (b) 3:05 a.m. (c) 3:05 p.m.
  3. 3.A train leaves at 14:25 and reaches at 16:10. How long is the journey (in minutes)?
  4. 4.What is 06:10 in 12-hour time? (a) 8:10 a.m. (b) 6:10 p.m. (c) 6:10 a.m.
  5. 5.How many hours are there from 07:00 to 20:00?
  6. 6.Write 7:35 p.m. in 24-hour time. (a) 07:35 (b) 19:35 (c) 21:35
  7. 7.What is 21:20 in 12-hour time? (a) 9:20 p.m. (b) 9:20 a.m. (c) 11:20 p.m.
  8. 8.How many hours are there from 11:00 to 18:00?
  9. 9.What is 23:40 in 12-hour time? (a) 11:40 p.m. (b) 1:40 p.m. (c) 11:40 a.m.
  10. 10.A match starts at 09:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 12:15 (b) 10:15 (c) 11:15
  11. 11.What is 04:55 in 12-hour time? (a) 4:55 a.m. (b) 6:55 a.m. (c) 4:55 p.m.
  12. 12.What is 23:05 in 12-hour time? (a) 1:05 p.m. (b) 11:05 a.m. (c) 11:05 p.m.
  13. 13.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 03:15 (c) 05:15
  14. 14.Write 5:45 p.m. in 24-hour time. (a) 19:45 (b) 05:45 (c) 17:45
  15. 15.A train leaves at 09:30 and reaches at 12:10. How long is the journey (in minutes)?
  16. 16.A film is 2 hours 5 minutes long. How many minutes is that?
  17. 17.Write 1:20 a.m. in 24-hour time. (a) 03:20 (b) 01:20 (c) 13:20
  18. 18.A train leaves at 13:30 and reaches at 15:00. How long is the journey (in minutes)?
  19. 19.A match starts at 16:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 19:20 (b) 21:20 (c) 20:20
  20. 20.What is 15:45 in 12-hour time? (a) 3:45 p.m. (b) 5:45 p.m. (c) 3:45 a.m.
  21. 21.What is 01:25 in 12-hour time? (a) 1:25 p.m. (b) 1:25 a.m. (c) 3:25 a.m.
  22. 22.A train leaves at 08:30 and reaches at 10:15. How long is the journey (in minutes)?
  23. 23.A film is 1 hour 15 minutes long. How many minutes is that?
  24. 24.A match starts at 06:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 09:10 (b) 07:10 (c) 08:10
  25. 25.A match starts at 15:45 and lasts 1 hour 25 minutes. At what time does it end? (a) 18:10 (b) 16:10 (c) 17:10
  26. 26.A train leaves at 12:20 and reaches at 14:15. How long is the journey (in minutes)?
  27. 27.Write 5:10 a.m. in 24-hour time. (a) 07:10 (b) 05:10 (c) 17:10
  28. 28.A train leaves at 18:20 and reaches at 19:25. How long is the journey (in minutes)?
  29. 29.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 04:00 (c) 14:00
  30. 30.Write 11:30 a.m. in 24-hour time. (a) 11:30 (b) 13:30 (c) 23:30
  31. 31.A train leaves at 13:00 and reaches at 16:05. How long is the journey (in minutes)?
  32. 32.What is 07:00 in 12-hour time? (a) 7:00 p.m. (b) 7:00 a.m. (c) 9:00 a.m.
  33. 33.How many hours are there from 12:00 to 17:00?
  34. 34.Write 9:55 p.m. in 24-hour time. (a) 21:55 (b) 09:55 (c) 23:55
  35. 35.A train leaves at 14:35 and reaches at 15:20. How long is the journey (in minutes)?
  36. 36.A match starts at 09:10 and lasts 4 hours 20 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
  37. 37.What is 07:30 in 12-hour time? (a) 7:30 p.m. (b) 7:30 a.m. (c) 9:30 a.m.
  38. 38.A match starts at 06:20 and lasts 3 hours. At what time does it end? (a) 09:20 (b) 10:20 (c) 08:20
  39. 39.Write 9:25 a.m. in 24-hour time. (a) 21:25 (b) 11:25 (c) 09:25
  40. 40.What is 10:15 in 12-hour time? (a) 12:15 a.m. (b) 10:15 p.m. (c) 10:15 a.m.

Answer key

  1. 2
  2. 3:05 a.m.
  3. 105
  4. 6:10 a.m.
  5. 13
  6. 19:35
  7. 9:20 p.m.
  8. 7
  9. 11:40 p.m.
  10. 11:15
  11. 4:55 a.m.
  12. 11:05 p.m.
  13. 03:15
  14. 17:45
  15. 160
  16. 125
  17. 01:20
  18. 90
  19. 20:20
  20. 3:45 p.m.
  21. 1:25 a.m.
  22. 105
  23. 75
  24. 08:10
  25. 17:10
  26. 115
  27. 05:10
  28. 65
  29. 02:00
  30. 11:30
  31. 185
  32. 7:00 a.m.
  33. 5
  34. 21:55
  35. 45
  36. 13:30
  37. 7:30 a.m.
  38. 09:20
  39. 09:25
  40. 10:15 a.m.

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