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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 971 · 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 6:20 a.m. in 24-hour time. (a) 08:20 (b) 06:20 (c) 18:20
  2. 2.A train leaves at 19:50 and reaches at 22:05. How long is the journey (in minutes)?
  3. 3.Write 4:05 a.m. in 24-hour time. (a) 06:05 (b) 16:05 (c) 04:05
  4. 4.How many hours are there from 08:00 to 13:00?
  5. 5.Write 2:45 a.m. in 24-hour time. (a) 02:45 (b) 04:45 (c) 14:45
  6. 6.A train leaves at 08:15 and reaches at 10:15. How long is the journey (in minutes)?
  7. 7.A match starts at 10:00 and lasts 2 hours 40 minutes. At what time does it end? (a) 11:40 (b) 13:40 (c) 12:40
  8. 8.What is 16:15 in 12-hour time? (a) 4:15 p.m. (b) 4:15 a.m. (c) 6:15 p.m.
  9. 9.A train leaves at 08:35 and reaches at 09:45. How long is the journey (in minutes)?
  10. 10.Write 1:15 a.m. in 24-hour time. (a) 01:15 (b) 03:15 (c) 13:15
  11. 11.A film is 3 hours 45 minutes long. How many minutes is that?
  12. 12.A train leaves at 18:40 and reaches at 20:10. How long is the journey (in minutes)?
  13. 13.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 2:20 p.m. (c) 4:20 p.m.
  14. 14.A train leaves at 09:45 and reaches at 11:20. How long is the journey (in minutes)?
  15. 15.A train leaves at 16:50 and reaches at 18:50. How long is the journey (in minutes)?
  16. 16.What is 16:10 in 12-hour time? (a) 4:10 p.m. (b) 6:10 p.m. (c) 4:10 a.m.
  17. 17.Write 10:55 a.m. in 24-hour time. (a) 10:55 (b) 22:55 (c) 12:55
  18. 18.Write 2:10 a.m. in 24-hour time. (a) 04:10 (b) 14:10 (c) 02:10
  19. 19.A film is 2 hours 40 minutes long. How many minutes is that?
  20. 20.How many hours are there from 07:00 to 15:00?
  21. 21.What is 02:00 in 12-hour time? (a) 2:00 a.m. (b) 4:00 a.m. (c) 2:00 p.m.
  22. 22.What is 08:10 in 12-hour time? (a) 10:10 a.m. (b) 8:10 p.m. (c) 8:10 a.m.
  23. 23.A match starts at 14:50 and lasts 4 hours 15 minutes. At what time does it end? (a) 18:05 (b) 20:05 (c) 19:05
  24. 24.A train leaves at 11:25 and reaches at 13:55. How long is the journey (in minutes)?
  25. 25.Write 6:25 p.m. in 24-hour time. (a) 18:25 (b) 06:25 (c) 20:25
  26. 26.What is 07:35 in 12-hour time? (a) 7:35 p.m. (b) 7:35 a.m. (c) 9:35 a.m.
  27. 27.A match starts at 15:40 and lasts 1 hour 15 minutes. At what time does it end? (a) 17:55 (b) 15:55 (c) 16:55
  28. 28.What is 21:30 in 12-hour time? (a) 11:30 p.m. (b) 9:30 p.m. (c) 9:30 a.m.
  29. 29.Write 3:30 a.m. in 24-hour time. (a) 05:30 (b) 15:30 (c) 03:30
  30. 30.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 p.m. (c) 1:50 a.m.
  31. 31.Write 1:20 p.m. in 24-hour time. (a) 01:20 (b) 13:20 (c) 15:20
  32. 32.Write 5:50 a.m. in 24-hour time. (a) 05:50 (b) 07:50 (c) 17:50
  33. 33.How many hours are there from 08:00 to 14:00?
  34. 34.How many hours are there from 05:00 to 10:00?
  35. 35.Write 4:55 p.m. in 24-hour time. (a) 18:55 (b) 16:55 (c) 04:55
  36. 36.How many hours are there from 05:00 to 08:00?
  37. 37.What is 16:30 in 12-hour time? (a) 6:30 p.m. (b) 4:30 p.m. (c) 4:30 a.m.
  38. 38.Write 3:05 a.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 05:05
  39. 39.A match starts at 18:45 and lasts 4 hours 45 minutes. At what time does it end? (a) 22:30 (b) 23:30 (c) 00:30
  40. 40.A match starts at 08:45 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:10 (b) 09:10 (c) 11:10

Answer key

  1. 06:20
  2. 135
  3. 04:05
  4. 5
  5. 02:45
  6. 120
  7. 12:40
  8. 4:15 p.m.
  9. 70
  10. 01:15
  11. 225
  12. 90
  13. 2:20 p.m.
  14. 95
  15. 120
  16. 4:10 p.m.
  17. 10:55
  18. 02:10
  19. 160
  20. 8
  21. 2:00 a.m.
  22. 8:10 a.m.
  23. 19:05
  24. 150
  25. 18:25
  26. 7:35 a.m.
  27. 16:55
  28. 9:30 p.m.
  29. 03:30
  30. 1:50 a.m.
  31. 13:20
  32. 05:50
  33. 6
  34. 5
  35. 16:55
  36. 3
  37. 4:30 p.m.
  38. 03:05
  39. 23:30
  40. 10:10

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