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.What is 11:45 in 12-hour time? (a) 11:45 p.m. (b) 1:45 a.m. (c) 11:45 a.m.
- 2.What is 22:40 in 12-hour time? (a) 10:40 a.m. (b) 12:40 p.m. (c) 10:40 p.m.
- 3.A match starts at 09:25 and lasts 2 hours 35 minutes. At what time does it end? (a) 12:00 (b) 11:00 (c) 13:00
- 4.A match starts at 16:45 and lasts 4 hours 40 minutes. At what time does it end? (a) 22:25 (b) 21:25 (c) 20:25
- 5.How many hours are there from 05:00 to 10:00?
- 6.Write 10:50 p.m. in 24-hour time. (a) 22:50 (b) 10:50 (c) 00:50
- 7.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 6:05 a.m. (c) 8:05 a.m.
- 8.What is 08:40 in 12-hour time? (a) 10:40 a.m. (b) 8:40 p.m. (c) 8:40 a.m.
- 9.What is 11:20 in 12-hour time? (a) 11:20 p.m. (b) 11:20 a.m. (c) 1:20 a.m.
- 10.A match starts at 08:45 and lasts 4 hours 40 minutes. At what time does it end? (a) 14:25 (b) 12:25 (c) 13:25
- 11.Write 1:30 p.m. in 24-hour time. (a) 01:30 (b) 15:30 (c) 13:30
- 12.Write 10:30 a.m. in 24-hour time. (a) 12:30 (b) 22:30 (c) 10:30
- 13.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 03:20 (c) 01:20
- 14.Write 1:15 a.m. in 24-hour time. (a) 01:15 (b) 13:15 (c) 03:15
- 15.A train leaves at 07:35 and reaches at 09:45. How long is the journey (in minutes)?
- 16.Write 7:00 a.m. in 24-hour time. (a) 09:00 (b) 07:00 (c) 19:00
- 17.Write 3:00 a.m. in 24-hour time. (a) 03:00 (b) 05:00 (c) 15:00
- 18.A train leaves at 14:10 and reaches at 15:10. How long is the journey (in minutes)?
- 19.A match starts at 17:15 and lasts 2 hours 35 minutes. At what time does it end? (a) 18:50 (b) 19:50 (c) 20:50
- 20.A train leaves at 15:45 and reaches at 17:00. How long is the journey (in minutes)?
- 21.A train leaves at 14:55 and reaches at 17:20. How long is the journey (in minutes)?
- 22.A film is 1 hour 55 minutes long. How many minutes is that?
- 23.A film is 2 hours 30 minutes long. How many minutes is that?
- 24.A train leaves at 16:40 and reaches at 19:05. How long is the journey (in minutes)?
- 25.A match starts at 09:35 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:50 (b) 11:50 (c) 09:50
- 26.A train leaves at 06:50 and reaches at 08:50. How long is the journey (in minutes)?
- 27.What is 15:40 in 12-hour time? (a) 5:40 p.m. (b) 3:40 a.m. (c) 3:40 p.m.
- 28.A train leaves at 09:55 and reaches at 12:45. How long is the journey (in minutes)?
- 29.What is 04:50 in 12-hour time? (a) 4:50 a.m. (b) 6:50 a.m. (c) 4:50 p.m.
- 30.A match starts at 10:25 and lasts 1 hour. At what time does it end? (a) 12:25 (b) 10:25 (c) 11:25
- 31.A train leaves at 15:05 and reaches at 17:15. How long is the journey (in minutes)?
- 32.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 5:00 p.m. (c) 3:00 p.m.
- 33.What is 18:25 in 12-hour time? (a) 8:25 p.m. (b) 6:25 p.m. (c) 6:25 a.m.
- 34.What is 21:10 in 12-hour time? (a) 9:10 a.m. (b) 11:10 p.m. (c) 9:10 p.m.
- 35.A film is 2 hours 25 minutes long. How many minutes is that?
- 36.What is 11:00 in 12-hour time? (a) 1:00 a.m. (b) 11:00 a.m. (c) 11:00 p.m.
- 37.How many hours are there from 09:00 to 16:00?
- 38.A match starts at 17:25 and lasts 4 hours 15 minutes. At what time does it end? (a) 22:40 (b) 20:40 (c) 21:40
- 39.How many hours are there from 06:00 to 11:00?
- 40.A train leaves at 07:55 and reaches at 09:40. How long is the journey (in minutes)?
Answer key
- 11:45 a.m.
- 10:40 p.m.
- 12:00
- 21:25
- 5
- 22:50
- 6:05 a.m.
- 8:40 a.m.
- 11:20 a.m.
- 13:25
- 13:30
- 10:30
- 01:20
- 01:15
- 130
- 07:00
- 03:00
- 60
- 19:50
- 75
- 145
- 115
- 150
- 145
- 10:50
- 120
- 3:40 p.m.
- 170
- 4:50 a.m.
- 11:25
- 130
- 3:00 p.m.
- 6:25 p.m.
- 9:10 p.m.
- 145
- 11:00 a.m.
- 7
- 21:40
- 5
- 105
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