How far in advance is the pre-sale period for 12306 online ticket booking? How many days is the pre-sale period for train tickets in 2017?

The pre-sale period for online ticket booking is 30 days.

Extended information

China Railway Customer Service Center

China Railway Customer Service Center (12306 network) is an important window for railway service customers and will integrate all passenger services. Freight transportation information, providing passenger and freight transportation business and public information inquiry services to the society and railway customers.

By logging in to this website, customers can check passenger train timetables, fares, train schedules and delays, remaining tickets, ticket sales outlets, freight rates, vehicle technical parameters and relevant passenger and freight regulations. Railway freight customers can handle business through this website.

In December 2015, the railway department introduced that there is no time node set for December 2 or 3. The 12306 website accepts passengers’ mobile phone verification services at any time, and sends information to and from passengers’ mobile phones through the website. SMS confirms contactability. Since December 1, the railway ticketing system has enabled some new functions, and the long-awaited "seat selection function" for online ticket purchasing has been realized. In order to further facilitate passengers to purchase tickets, Railway 12306 will launch group ticket booking services on March 10. Both individuals and organizations can make reservations. Previously, passengers could only purchase group tickets by calling the phone or going to the ticket window.

The EMU train seat selection function with prefixes C, D, and G on the 12036 website was officially launched on October 12, 2017. Since November 23, 2017, the WeChat payment service function of the China Railway Customer Service Center 12306 website has been online.

Reference material comes from: Baidu Encyclopedia-Train Ticket Pre-sale Period