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 train leaves at 14:40 and reaches at 15:20. How long is the journey (in minutes)?
- 2.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 12:15
- 3.A film is 1 hour 5 minutes long. How many minutes is that?
- 4.A film is 1 hour 25 minutes long. How many minutes is that?
- 5.What is 07:55 in 12-hour time? (a) 7:55 a.m. (b) 7:55 p.m. (c) 9:55 a.m.
- 6.Write 5:55 a.m. in 24-hour time. (a) 07:55 (b) 05:55 (c) 17:55
- 7.A match starts at 18:45 and lasts 2 hours. At what time does it end? (a) 21:45 (b) 20:45 (c) 19:45
- 8.A train leaves at 11:35 and reaches at 13:20. How long is the journey (in minutes)?
- 9.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 11:10 (c) 13:10
- 10.A film is 1 hour 35 minutes long. How many minutes is that?
- 11.How many hours are there from 06:00 to 17:00?
- 12.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 a.m.
- 13.Write 2:25 a.m. in 24-hour time. (a) 14:25 (b) 02:25 (c) 04:25
- 14.A film is 2 hours 10 minutes long. How many minutes is that?
- 15.A film is 3 hours 20 minutes long. How many minutes is that?
- 16.A film is 3 hours 30 minutes long. How many minutes is that?
- 17.How many hours are there from 05:00 to 16:00?
- 18.What is 18:10 in 12-hour time? (a) 6:10 a.m. (b) 8:10 p.m. (c) 6:10 p.m.
- 19.What is 13:15 in 12-hour time? (a) 1:15 p.m. (b) 1:15 a.m. (c) 3:15 p.m.
- 20.A train leaves at 12:00 and reaches at 14:50. How long is the journey (in minutes)?
- 21.A film is 4 hours 25 minutes long. How many minutes is that?
- 22.What is 15:15 in 12-hour time? (a) 5:15 p.m. (b) 3:15 a.m. (c) 3:15 p.m.
- 23.What is 19:05 in 12-hour time? (a) 9:05 p.m. (b) 7:05 a.m. (c) 7:05 p.m.
- 24.A match starts at 06:55 and lasts 4 hours 45 minutes. At what time does it end? (a) 12:40 (b) 11:40 (c) 10:40
- 25.A film is 4 hours 50 minutes long. How many minutes is that?
- 26.Write 7:10 a.m. in 24-hour time. (a) 19:10 (b) 07:10 (c) 09:10
- 27.A train leaves at 06:40 and reaches at 07:25. How long is the journey (in minutes)?
- 28.A train leaves at 16:30 and reaches at 19:45. How long is the journey (in minutes)?
- 29.A match starts at 14:15 and lasts 1 hour 30 minutes. At what time does it end? (a) 16:45 (b) 15:45 (c) 14:45
- 30.A match starts at 09:00 and lasts 2 hours 20 minutes. At what time does it end? (a) 12:20 (b) 10:20 (c) 11:20
- 31.A train leaves at 06:25 and reaches at 07:20. How long is the journey (in minutes)?
- 32.A film is 4 hours 20 minutes long. How many minutes is that?
- 33.A train leaves at 11:35 and reaches at 14:50. How long is the journey (in minutes)?
- 34.A film is 3 hours 15 minutes long. How many minutes is that?
- 35.A film is 1 hour 45 minutes long. How many minutes is that?
- 36.A match starts at 16:30 and lasts 4 hours 15 minutes. At what time does it end? (a) 20:45 (b) 19:45 (c) 21:45
- 37.A film is 2 hours 55 minutes long. How many minutes is that?
- 38.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 a.m.
- 39.A train leaves at 12:55 and reaches at 16:00. How long is the journey (in minutes)?
- 40.A film is 4 hours 15 minutes long. How many minutes is that?
Answer key
- 40
- 10:15
- 65
- 85
- 7:55 a.m.
- 05:55
- 20:45
- 105
- 11:10
- 95
- 11
- 8:55 a.m.
- 02:25
- 130
- 200
- 210
- 11
- 6:10 p.m.
- 1:15 p.m.
- 170
- 265
- 3:15 p.m.
- 7:05 p.m.
- 11:40
- 290
- 07:10
- 45
- 195
- 15:45
- 11:20
- 55
- 260
- 195
- 195
- 105
- 20:45
- 175
- 1:00 a.m.
- 185
- 255
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