You can check this on Baidu Tieba. But I don’t know if the time point is certain. You have to go to the ticket office and ask for details.

On March 28 this year, the first "Rape Flower" tourist train will be launched from Xi'an to Hanzhong. According to reports, this tourist train will run on the five weekends during the Rapeseed Flower Festival, departing at 23:40 every Friday night and returning to Xi'an on Monday morning. The tour includes viewing rape flowers and visiting Qingmuchuan. The price of this special tour group is 598 yuan/person for the first trip and 698 yuan/person for other trips.

The Rape Flower Special Train has two lines, A and B. The difference between the two lines is that line A spends more time in Guangyuan, Sichuan, while line B spends more time in Hanzhong. Citizens can choose different routes based on their preferences.

The launch of special tourist trains will alleviate the difficulty of booking tickets for individual travelers. One train can visit multiple attractions, which is very suitable for the elderly and the whole family to travel together. According to the reporter's understanding, there are currently many citizens who have signed up to participate in the first "Rape Flower" tourist train on March 28. Citizens who are interested in traveling can contact the nearest major travel agencies.

According to the reporter’s understanding, the "Rape Flower" tourist train will be launched on March 28th, and will continue to operate on April 4th, 11th, 18th, and 25th. The tourist train price is: 698 yuan per adult, with a discount of 100 yuan for the first group tour on March 28. The price for children is 310 yuan per child, including bus fare, tour guide service, insurance, and breakfast. It does not include train berths, accommodation, and scenic spot tickets. Parents are responsible for any expenses incurred.

Both lines A and B meet at Xi'an Railway Station at 22:30 on Friday and take the tourist train departing at 23:40. Arrive in Hanzhong at 6:30 the next morning. After breakfast, drive to Ningqiang, visit the Qiang Museum, and have Chinese food (team meal). After the meal, we went directly to the ancient town of "Qingmuchuan" where Wei Futang, the prototype of the "Heroes of the Generation" shooting character, passed through Sichuan and Gansu provinces and experienced the "three provinces of cockcrow". Visit the beautiful scenery of Qingmuchuan Ancient Town. Under the guidance of a tour guide, stroll through the small streets of the Ming and Qing Dynasties, and visit Wei Manor, Furen Middle School and nearby ancient villages, Jinxi River, Huilongchang, Feifeng Bridge, Tang Shisheng, and Fu Ren Middle School. Free activities after visiting tourist attractions such as Youshe (foreign-style house) and Rongshengkui (land boat house). Dinner is at your own expense.

Tourists who choose Route A will stay in Guangyuan that night. After breakfast the next day, they will visit the Zengjiashan Scenic Area, a national 4A-level scenic spot, and then visit the "urn-shaped vertical cave" Chuandong Temple. After lunch, take a bus to "Qingjiashan" "Tianyuzhu" stalagmite flat. On the way back, get off the expressway in Mian County and enjoy the beautiful sea of ??rapeseed flowers along the way. In the evening, you can taste Hanzhong special snacks at your own expense and take the train back to Xi'an at 22:00.

Tourists who choose route B will stay at the Qingmuchuan Inn at night. After breakfast the next day, free time in the ancient town, meet at 10:00, drive to Baohe River (about 4 hours), have lunch (group meal) or Baohe fish feast at your own expense, and then visit the Baoxie Shimen Ancient Plank Road (ticket 80 yuan at your own expense) , a tour of about two hours), the scenic area is full of green trees, rugged rocks, majestic water conservancy landscapes, vast water scenery, and profound cultural and historical relics. Or free activities in Hanzhong city.