12306 how long before the announcement of train stop?

Legal analysis: Due to weather delay, power failure and other reasons. 12306 Generally, a short message will be sent to passengers in advance to remind them to change or refund their tickets.

The specific advance time is due to force majeure due to weather. Generally, after the outage, relevant notices will be issued in time through the news media, and passengers will be notified in the form of short messages in time.

Legal basis: railway liability, how to deal with transportation interruption caused by natural disasters, and how to deal with train full stop, midway stop, midway turn back and detour transportation.

When the transportation is interrupted due to railway responsibility and natural disasters, when the train stops all the way, stops halfway, turns back halfway or bypasses transportation, it shall be handled in accordance with the following provisions within 30 days (including 30 days).

(1) at the sending station.

When passengers ask for a refund, all tickets will be refunded.

When railway transport enterprises use other trains or arrange for the original train to return to the starting station, all tickets will be refunded.

(2) If the passenger stops at the midway station, the difference between the received fare and the interval fare will be refunded. However, extra tickets and used tickets will not be returned.

(3) At the station.

Railway transport enterprises do not return passenger tickets when they use other trains to transport passengers to the station. However, when the rescheduled train class and seats are higher than the passengers' original train class and seats, the fare difference will not be replenished; When the train class and seat are lower than the original ticket, the fare difference between the changed sections will be refunded.

(4) The connecting tickets purchased by passengers before the day of departure (inclusive) of the stopped train shall be handled in accordance with the above provisions.

(5) In case of the above situation, the station where the train or passenger leaves will issue a ride record for the passenger, and the passenger with the ride record will be handled according to the relevant regulations on cross-border high-speed rail refund.