We are using 12 hours time generally. To avoid confusion, we use railway time in railway station, television. airport, internet, etc. When we are going to railway station we cannot see or hear announcements in a.m. or p.m. Because railway uses 24 hours time?
Generally railway time is written in 4 digits. The first two digits show the hour and the last two digits show the minutes.
We can write,
While converting the 12 hour time to
24 hour time during p.m. we should add 12 to hours and keep the minutes same.