Charts are prepared *before 4 hrs before scheduled dep of any train from originating station and Remote Location.**After 2 pm for all trains scheduled to depart after 5pm on Sunday***after 8 pm for all trains scheduled to leave source station after 9pm of same day and before 10 am of next day.
Charting time at busy locations may differ like they can chart before 2 hrs of scheduled dep on same day or early morning after 6am for morning trains .