On September 14, China Railway released a calendar for purchasing train tickets for the 2025 National Day and Mid-Autumn Festival holidays (October 1 to 8). Tickets for October 1 (the first day of the holidays) will go on sale on September 17, while those for October 8 (the last day of the holidays) will be available on September 24.

Here's the calendar for your reference:

(Source: Beijing Fabu)