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 10:00 to 21:00?
- 2.A match starts at 09:35 and lasts 2 hours 50 minutes. At what time does it end? (a) 11:25 (b) 13:25 (c) 12:25
- 3.A film is 2 hours 40 minutes long. How many minutes is that?
- 4.A film is 3 hours 45 minutes long. How many minutes is that?
- 5.What is 15:10 in 12-hour time? (a) 3:10 a.m. (b) 3:10 p.m. (c) 5:10 p.m.
- 6.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 p.m. (c) 3:15 a.m.
- 7.A train leaves at 19:35 and reaches at 22:15. How long is the journey (in minutes)?
- 8.Write 9:55 p.m. in 24-hour time. (a) 23:55 (b) 21:55 (c) 09:55
- 9.A film is 3 hours 25 minutes long. How many minutes is that?
- 10.A match starts at 06:45 and lasts 3 hours 40 minutes. At what time does it end? (a) 11:25 (b) 10:25 (c) 09:25
- 11.A match starts at 07:45 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:00 (b) 08:00 (c) 09:00
- 12.A film is 1 hour 40 minutes long. How many minutes is that?
- 13.A film is 4 hours 15 minutes long. How many minutes is that?
- 14.A match starts at 15:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:20 (b) 18:20 (c) 17:20
- 15.A train leaves at 16:15 and reaches at 17:15. How long is the journey (in minutes)?
- 16.What is 13:25 in 12-hour time? (a) 1:25 a.m. (b) 3:25 p.m. (c) 1:25 p.m.
- 17.Write 9:00 p.m. in 24-hour time. (a) 23:00 (b) 21:00 (c) 09:00
- 18.A train leaves at 10:40 and reaches at 12:40. How long is the journey (in minutes)?
- 19.A match starts at 17:00 and lasts 2 hours 35 minutes. At what time does it end? (a) 18:35 (b) 19:35 (c) 20:35
- 20.A film is 2 hours 25 minutes long. How many minutes is that?
- 21.A train leaves at 09:10 and reaches at 11:25. How long is the journey (in minutes)?
- 22.A film is 4 hours 30 minutes long. How many minutes is that?
- 23.A train leaves at 10:30 and reaches at 12:25. How long is the journey (in minutes)?
- 24.A match starts at 09:05 and lasts 4 hours 40 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 14:45
- 25.A match starts at 16:40 and lasts 2 hours 10 minutes. At what time does it end? (a) 19:50 (b) 18:50 (c) 17:50
- 26.Write 10:35 a.m. in 24-hour time. (a) 12:35 (b) 10:35 (c) 22:35
- 27.A match starts at 18:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 22:15 (b) 21:15 (c) 20:15
- 28.A film is 4 hours 20 minutes long. How many minutes is that?
- 29.What is 16:10 in 12-hour time? (a) 6:10 p.m. (b) 4:10 p.m. (c) 4:10 a.m.
- 30.A match starts at 08:25 and lasts 4 hours 35 minutes. At what time does it end? (a) 14:00 (b) 12:00 (c) 13:00
- 31.A film is 4 hours 10 minutes long. How many minutes is that?
- 32.Write 11:20 p.m. in 24-hour time. (a) 01:20 (b) 11:20 (c) 23:20
- 33.A match starts at 17:50 and lasts 2 hours 10 minutes. At what time does it end? (a) 21:00 (b) 19:00 (c) 20:00
- 34.How many hours are there from 05:00 to 11:00?
- 35.A film is 2 hours 5 minutes long. How many minutes is that?
- 36.A match starts at 09:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 11:10 (b) 12:10 (c) 10:10
- 37.A film is 2 hours 50 minutes long. How many minutes is that?
- 38.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 12:40 a.m. (c) 10:40 a.m.
- 39.What is 06:25 in 12-hour time? (a) 8:25 a.m. (b) 6:25 a.m. (c) 6:25 p.m.
- 40.A train leaves at 13:00 and reaches at 13:35. How long is the journey (in minutes)?
Answer key
- 11
- 12:25
- 160
- 225
- 3:10 p.m.
- 3:15 a.m.
- 160
- 21:55
- 205
- 10:25
- 09:00
- 100
- 255
- 17:20
- 60
- 1:25 p.m.
- 21:00
- 120
- 19:35
- 145
- 135
- 270
- 115
- 13:45
- 18:50
- 10:35
- 21:15
- 260
- 4:10 p.m.
- 13:00
- 250
- 23:20
- 20:00
- 6
- 125
- 11:10
- 170
- 10:40 a.m.
- 6:25 a.m.
- 35
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