Class 4 Maths Worksheet: 24-Hour Clock
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.How many hours are there from 11:00 to 15:00?
- 2.A match starts at 08:10 and lasts 4 hours 15 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 11:25
- 3.A train leaves at 08:20 and reaches at 10:20. How long is the journey (in minutes)?
- 4.A match starts at 11:15 and lasts 4 hours 45 minutes. At what time does it end? (a) 16:00 (b) 17:00 (c) 15:00
- 5.A match starts at 18:00 and lasts 1 hour. At what time does it end? (a) 18:00 (b) 20:00 (c) 19:00
- 6.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 p.m. (c) 7:30 p.m.
- 7.How many hours are there from 05:00 to 12:00?
- 8.A train leaves at 09:25 and reaches at 10:40. How long is the journey (in minutes)?
- 9.A train leaves at 08:50 and reaches at 11:50. How long is the journey (in minutes)?
- 10.A film is 1 hour 15 minutes long. How many minutes is that?
- 11.Write 5:50 a.m. in 24-hour time. (a) 17:50 (b) 07:50 (c) 05:50
- 12.How many hours are there from 06:00 to 18:00?
- 13.How many hours are there from 10:00 to 16:00?
- 14.A train leaves at 10:45 and reaches at 11:55. How long is the journey (in minutes)?
- 15.A match starts at 06:05 and lasts 2 hours 15 minutes. At what time does it end? (a) 07:20 (b) 09:20 (c) 08:20
- 16.A film is 3 hours 15 minutes long. How many minutes is that?
- 17.What is 13:30 in 12-hour time? (a) 3:30 p.m. (b) 1:30 a.m. (c) 1:30 p.m.
- 18.What is 04:30 in 12-hour time? (a) 4:30 a.m. (b) 4:30 p.m. (c) 6:30 a.m.
- 19.What is 13:10 in 12-hour time? (a) 1:10 p.m. (b) 3:10 p.m. (c) 1:10 a.m.
- 20.What is 22:40 in 12-hour time? (a) 10:40 a.m. (b) 12:40 p.m. (c) 10:40 p.m.
- 21.A train leaves at 17:35 and reaches at 19:25. How long is the journey (in minutes)?
- 22.How many hours are there from 05:00 to 11:00?
- 23.What is 15:15 in 12-hour time? (a) 3:15 a.m. (b) 5:15 p.m. (c) 3:15 p.m.
- 24.A train leaves at 14:20 and reaches at 15:10. How long is the journey (in minutes)?
- 25.A train leaves at 07:50 and reaches at 08:40. How long is the journey (in minutes)?
- 26.What is 09:30 in 12-hour time? (a) 9:30 a.m. (b) 9:30 p.m. (c) 11:30 a.m.
- 27.Write 5:55 a.m. in 24-hour time. (a) 05:55 (b) 07:55 (c) 17:55
- 28.What is 19:05 in 12-hour time? (a) 9:05 p.m. (b) 7:05 a.m. (c) 7:05 p.m.
- 29.What is 16:50 in 12-hour time? (a) 6:50 p.m. (b) 4:50 a.m. (c) 4:50 p.m.
- 30.A train leaves at 08:35 and reaches at 09:05. How long is the journey (in minutes)?
- 31.A film is 2 hours 25 minutes long. How many minutes is that?
- 32.A train leaves at 15:20 and reaches at 18:35. How long is the journey (in minutes)?
- 33.A train leaves at 08:25 and reaches at 11:45. How long is the journey (in minutes)?
- 34.A match starts at 18:15 and lasts 3 hours. At what time does it end? (a) 20:15 (b) 21:15 (c) 22:15
- 35.Write 2:10 p.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 16:10
- 36.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 08:00 (c) 06:00
- 37.Write 4:25 p.m. in 24-hour time. (a) 04:25 (b) 18:25 (c) 16:25
- 38.A match starts at 09:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 12:15 (b) 13:15 (c) 11:15
- 39.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 17:05
- 40.A train leaves at 17:20 and reaches at 18:50. How long is the journey (in minutes)?
Answer key
- 4
- 12:25
- 120
- 16:00
- 19:00
- 7:30 p.m.
- 7
- 75
- 180
- 75
- 05:50
- 12
- 6
- 70
- 08:20
- 195
- 1:30 p.m.
- 4:30 a.m.
- 1:10 p.m.
- 10:40 p.m.
- 110
- 6
- 3:15 p.m.
- 50
- 50
- 9:30 a.m.
- 05:55
- 7:05 p.m.
- 4:50 p.m.
- 30
- 145
- 195
- 200
- 21:15
- 14:10
- 06:00
- 16:25
- 12:15
- 15:05
- 90
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