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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 74 · 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 5:50 a.m. in 24-hour time. (a) 07:50 (b) 17:50 (c) 05:50
  2. 2.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 18:55 (c) 06:55
  3. 3.Write 10:25 a.m. in 24-hour time. (a) 22:25 (b) 10:25 (c) 12:25
  4. 4.A train leaves at 16:00 and reaches at 18:30. How long is the journey (in minutes)?
  5. 5.A train leaves at 07:35 and reaches at 10:35. How long is the journey (in minutes)?
  6. 6.Write 7:00 a.m. in 24-hour time. (a) 07:00 (b) 19:00 (c) 09:00
  7. 7.A film is 4 hours 25 minutes long. How many minutes is that?
  8. 8.A match starts at 11:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
  9. 9.Write 4:40 p.m. in 24-hour time. (a) 18:40 (b) 04:40 (c) 16:40
  10. 10.A film is 4 hours 40 minutes long. How many minutes is that?
  11. 11.What is 15:45 in 12-hour time? (a) 3:45 p.m. (b) 3:45 a.m. (c) 5:45 p.m.
  12. 12.Write 2:45 a.m. in 24-hour time. (a) 02:45 (b) 14:45 (c) 04:45
  13. 13.What is 23:35 in 12-hour time? (a) 11:35 a.m. (b) 11:35 p.m. (c) 1:35 p.m.
  14. 14.How many hours are there from 10:00 to 13:00?
  15. 15.Write 2:05 a.m. in 24-hour time. (a) 02:05 (b) 14:05 (c) 04:05
  16. 16.What is 01:40 in 12-hour time? (a) 3:40 a.m. (b) 1:40 a.m. (c) 1:40 p.m.
  17. 17.A train leaves at 11:25 and reaches at 14:05. How long is the journey (in minutes)?
  18. 18.How many hours are there from 05:00 to 18:00?
  19. 19.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 a.m. (c) 8:05 a.m.
  20. 20.A train leaves at 06:00 and reaches at 07:15. How long is the journey (in minutes)?
  21. 21.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 11:45 a.m. (c) 9:45 p.m.
  22. 22.A film is 3 hours 10 minutes long. How many minutes is that?
  23. 23.What is 07:35 in 12-hour time? (a) 7:35 p.m. (b) 9:35 a.m. (c) 7:35 a.m.
  24. 24.A train leaves at 09:40 and reaches at 10:20. How long is the journey (in minutes)?
  25. 25.Write 5:45 a.m. in 24-hour time. (a) 05:45 (b) 07:45 (c) 17:45
  26. 26.A train leaves at 11:00 and reaches at 13:35. How long is the journey (in minutes)?
  27. 27.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 07:15
  28. 28.Write 3:30 a.m. in 24-hour time. (a) 15:30 (b) 03:30 (c) 05:30
  29. 29.A train leaves at 07:15 and reaches at 07:45. How long is the journey (in minutes)?
  30. 30.How many hours are there from 05:00 to 19:00?
  31. 31.How many hours are there from 11:00 to 23:00?
  32. 32.Write 9:20 p.m. in 24-hour time. (a) 09:20 (b) 21:20 (c) 23:20
  33. 33.Write 1:35 a.m. in 24-hour time. (a) 01:35 (b) 13:35 (c) 03:35
  34. 34.What is 13:25 in 12-hour time? (a) 3:25 p.m. (b) 1:25 p.m. (c) 1:25 a.m.
  35. 35.A match starts at 11:45 and lasts 4 hours 35 minutes. At what time does it end? (a) 16:20 (b) 17:20 (c) 15:20
  36. 36.A match starts at 06:05 and lasts 4 hours. At what time does it end? (a) 09:05 (b) 11:05 (c) 10:05
  37. 37.How many hours are there from 11:00 to 16:00?
  38. 38.What is 08:15 in 12-hour time? (a) 10:15 a.m. (b) 8:15 a.m. (c) 8:15 p.m.
  39. 39.Write 2:40 a.m. in 24-hour time. (a) 04:40 (b) 02:40 (c) 14:40
  40. 40.What is 09:35 in 12-hour time? (a) 9:35 p.m. (b) 9:35 a.m. (c) 11:35 a.m.

Answer key

  1. 05:50
  2. 18:55
  3. 10:25
  4. 150
  5. 180
  6. 07:00
  7. 265
  8. 13:30
  9. 16:40
  10. 280
  11. 3:45 p.m.
  12. 02:45
  13. 11:35 p.m.
  14. 3
  15. 02:05
  16. 1:40 a.m.
  17. 160
  18. 13
  19. 8:05 a.m.
  20. 75
  21. 9:45 a.m.
  22. 190
  23. 7:35 a.m.
  24. 40
  25. 05:45
  26. 155
  27. 05:15
  28. 03:30
  29. 30
  30. 14
  31. 12
  32. 21:20
  33. 01:35
  34. 1:25 p.m.
  35. 16:20
  36. 10:05
  37. 5
  38. 8:15 a.m.
  39. 02:40
  40. 9:35 a.m.

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