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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 356 · 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 7:50 a.m. in 24-hour time. (a) 19:50 (b) 07:50 (c) 09:50
  2. 2.A train leaves at 19:15 and reaches at 20:50. How long is the journey (in minutes)?
  3. 3.A film is 3 hours 25 minutes long. How many minutes is that?
  4. 4.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 p.m. (c) 1:50 a.m.
  5. 5.A match starts at 06:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 07:15 (b) 09:15 (c) 08:15
  6. 6.A film is 1 hour 20 minutes long. How many minutes is that?
  7. 7.A film is 1 hour 25 minutes long. How many minutes is that?
  8. 8.A match starts at 16:05 and lasts 1 hour 5 minutes. At what time does it end? (a) 18:10 (b) 16:10 (c) 17:10
  9. 9.A train leaves at 15:00 and reaches at 16:00. How long is the journey (in minutes)?
  10. 10.A train leaves at 18:05 and reaches at 19:35. How long is the journey (in minutes)?
  11. 11.Write 8:35 p.m. in 24-hour time. (a) 20:35 (b) 22:35 (c) 08:35
  12. 12.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 05:45
  13. 13.A match starts at 11:05 and lasts 4 hours 35 minutes. At what time does it end? (a) 15:40 (b) 16:40 (c) 14:40
  14. 14.Write 10:00 p.m. in 24-hour time. (a) 00:00 (b) 10:00 (c) 22:00
  15. 15.What is 23:50 in 12-hour time? (a) 1:50 p.m. (b) 11:50 a.m. (c) 11:50 p.m.
  16. 16.A train leaves at 08:30 and reaches at 09:55. How long is the journey (in minutes)?
  17. 17.A match starts at 07:00 and lasts 2 hours 20 minutes. At what time does it end? (a) 10:20 (b) 08:20 (c) 09:20
  18. 18.How many hours are there from 05:00 to 07:00?
  19. 19.How many hours are there from 12:00 to 16:00?
  20. 20.What is 20:00 in 12-hour time? (a) 10:00 p.m. (b) 8:00 a.m. (c) 8:00 p.m.
  21. 21.A film is 4 hours 10 minutes long. How many minutes is that?
  22. 22.A film is 2 hours 30 minutes long. How many minutes is that?
  23. 23.A train leaves at 12:20 and reaches at 13:55. How long is the journey (in minutes)?
  24. 24.A train leaves at 09:05 and reaches at 09:30. How long is the journey (in minutes)?
  25. 25.A train leaves at 06:35 and reaches at 07:00. How long is the journey (in minutes)?
  26. 26.A train leaves at 11:35 and reaches at 13:35. How long is the journey (in minutes)?
  27. 27.A train leaves at 06:25 and reaches at 07:40. How long is the journey (in minutes)?
  28. 28.Write 7:15 a.m. in 24-hour time. (a) 09:15 (b) 19:15 (c) 07:15
  29. 29.A match starts at 09:40 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:10 (b) 12:10 (c) 11:10
  30. 30.A film is 3 hours 5 minutes long. How many minutes is that?
  31. 31.What is 23:10 in 12-hour time? (a) 11:10 p.m. (b) 1:10 p.m. (c) 11:10 a.m.
  32. 32.A train leaves at 16:40 and reaches at 17:45. How long is the journey (in minutes)?
  33. 33.Write 2:05 a.m. in 24-hour time. (a) 04:05 (b) 14:05 (c) 02:05
  34. 34.Write 2:45 a.m. in 24-hour time. (a) 04:45 (b) 14:45 (c) 02:45
  35. 35.What is 09:20 in 12-hour time? (a) 9:20 a.m. (b) 9:20 p.m. (c) 11:20 a.m.
  36. 36.Write 2:40 a.m. in 24-hour time. (a) 02:40 (b) 14:40 (c) 04:40
  37. 37.How many hours are there from 06:00 to 13:00?
  38. 38.A film is 3 hours 15 minutes long. How many minutes is that?
  39. 39.What is 15:00 in 12-hour time? (a) 5:00 p.m. (b) 3:00 p.m. (c) 3:00 a.m.
  40. 40.What is 09:45 in 12-hour time? (a) 9:45 a.m. (b) 11:45 a.m. (c) 9:45 p.m.

Answer key

  1. 07:50
  2. 95
  3. 205
  4. 1:50 a.m.
  5. 08:15
  6. 80
  7. 85
  8. 17:10
  9. 60
  10. 90
  11. 20:35
  12. 03:45
  13. 15:40
  14. 22:00
  15. 11:50 p.m.
  16. 85
  17. 09:20
  18. 2
  19. 4
  20. 8:00 p.m.
  21. 250
  22. 150
  23. 95
  24. 25
  25. 25
  26. 120
  27. 75
  28. 07:15
  29. 11:10
  30. 185
  31. 11:10 p.m.
  32. 65
  33. 02:05
  34. 02:45
  35. 9:20 a.m.
  36. 02:40
  37. 7
  38. 195
  39. 3:00 p.m.
  40. 9:45 a.m.

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