1. The 12306.cn website provides information query and ticket refund services 24 hours a day, and the ticket sales and endorsement services from 5:00 to 1:00 the next day (5:00 to :30 on Tuesday).
2. For ticket endorsement and refund on the 12306.cn website, the endorsement should be no later than 24:00 on the date shown on the ticket, the change of destination no later than 48 hours before departure, and the ticket refund should be no later than the train’s departure.
