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.A film is 2 hours 5 minutes long. How many minutes is that?
- 2.A film is 3 hours 35 minutes long. How many minutes is that?
- 3.A train leaves at 12:20 and reaches at 15:40. How long is the journey (in minutes)?
- 4.How many hours are there from 06:00 to 16:00?
- 5.How many hours are there from 08:00 to 15:00?
- 6.A match starts at 09:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:20 (b) 12:20 (c) 13:20
- 7.How many hours are there from 12:00 to 21:00?
- 8.A train leaves at 08:25 and reaches at 09:50. How long is the journey (in minutes)?
- 9.A train leaves at 07:05 and reaches at 08:15. How long is the journey (in minutes)?
- 10.How many hours are there from 09:00 to 21:00?
- 11.A film is 2 hours 10 minutes long. How many minutes is that?
- 12.A match starts at 18:25 and lasts 2 hours 5 minutes. At what time does it end? (a) 19:30 (b) 21:30 (c) 20:30
- 13.Write 7:15 a.m. in 24-hour time. (a) 07:15 (b) 19:15 (c) 09:15
- 14.A train leaves at 12:05 and reaches at 13:45. How long is the journey (in minutes)?
- 15.How many hours are there from 08:00 to 12:00?
- 16.Write 8:50 a.m. in 24-hour time. (a) 20:50 (b) 10:50 (c) 08:50
- 17.Write 4:35 p.m. in 24-hour time. (a) 16:35 (b) 04:35 (c) 18:35
- 18.Write 3:15 a.m. in 24-hour time. (a) 05:15 (b) 15:15 (c) 03:15
- 19.A match starts at 16:55 and lasts 3 hours 55 minutes. At what time does it end? (a) 19:50 (b) 21:50 (c) 20:50
- 20.A train leaves at 08:05 and reaches at 10:55. How long is the journey (in minutes)?
- 21.How many hours are there from 08:00 to 20:00?
- 22.A train leaves at 12:55 and reaches at 15:55. How long is the journey (in minutes)?
- 23.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 a.m. (c) 7:05 p.m.
- 24.What is 23:40 in 12-hour time? (a) 11:40 a.m. (b) 11:40 p.m. (c) 1:40 p.m.
- 25.How many hours are there from 07:00 to 11:00?
- 26.A film is 1 hour 10 minutes long. How many minutes is that?
- 27.A film is 1 hour 55 minutes long. How many minutes is that?
- 28.What is 18:35 in 12-hour time? (a) 6:35 p.m. (b) 8:35 p.m. (c) 6:35 a.m.
- 29.A match starts at 07:05 and lasts 3 hours 5 minutes. At what time does it end? (a) 11:10 (b) 10:10 (c) 09:10
- 30.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 07:20 (c) 09:20
- 31.A match starts at 14:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 17:20
- 32.How many hours are there from 11:00 to 15:00?
- 33.A film is 3 hours 5 minutes long. How many minutes is that?
- 34.How many hours are there from 10:00 to 15:00?
- 35.Write 6:10 p.m. in 24-hour time. (a) 18:10 (b) 20:10 (c) 06:10
- 36.How many hours are there from 07:00 to 09:00?
- 37.A film is 2 hours 50 minutes long. How many minutes is that?
- 38.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 5:05 a.m. (c) 3:05 a.m.
- 39.A train leaves at 11:45 and reaches at 14:35. How long is the journey (in minutes)?
- 40.Write 2:30 p.m. in 24-hour time. (a) 02:30 (b) 16:30 (c) 14:30
Answer key
- 125
- 215
- 200
- 10
- 7
- 13:20
- 9
- 85
- 70
- 12
- 130
- 20:30
- 07:15
- 100
- 4
- 08:50
- 16:35
- 03:15
- 20:50
- 170
- 12
- 180
- 7:05 a.m.
- 11:40 p.m.
- 4
- 70
- 115
- 6:35 p.m.
- 10:10
- 07:20
- 16:20
- 4
- 185
- 5
- 18:10
- 2
- 170
- 3:05 a.m.
- 170
- 14:30
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