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Class 4 Maths Worksheet: 24-Hour Clock

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

Answer key

  1. 4
  2. 45
  3. 170
  4. 5
  5. 260
  6. 2:35 a.m.
  7. 9:10 a.m.
  8. 19:35
  9. 16:40
  10. 3:05 a.m.
  11. 17:45
  12. 290
  13. 14:05
  14. 15
  15. 3
  16. 65
  17. 245
  18. 25
  19. 185
  20. 23:40
  21. 7
  22. 20:20
  23. 9
  24. 03:05
  25. 19:20
  26. 9:20 a.m.
  27. 145
  28. 70
  29. 6
  30. 10:10 a.m.
  31. 02:45
  32. 17:00
  33. 16:10
  34. 13:30
  35. 270
  36. 190
  37. 150
  38. 10:55
  39. 11:20
  40. 17:55

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