"How many days are suitable to plan a tour around Phoenix Ancient City, and what should we do when finishing there? What transportation would be more convenient to get to Zhangjiajie from there?"

One day and one night are actually the best, scenery is particularly beautiful, take a photo of the night view at night, it’s really breathtaking! The high-speed train from Phoenix Ancient City to Zhangjiajie is quite convenient, fast, quick, and not expensive at all! You must try the casserole restaurant “Baihuosong” for its charcoal-fired dishes, flavors are really great, and prices are reasonable. Mainly it’s because of the excellent charcoal cooking method that makes their food so delicious and worth trying!
It can be done in just 2 days, and then take the Zhangjiajie high-speed train.
2 days’ time, it’s done! Yeah.
One day and one night are actually the best, with a beautiful scenery. Take some photos of the nighttime views in the evening; it’s really breathtaking! The high-speed train from Phoenix Ancient City to Zhangjiajie is very convenient, fast, and efficient, and the price isn’t expensive! You must try the charcoal fire dishes at Big Pot and Big Cauldron Restaurant - they’re delicious and not pricey. What makes them so great is that everything is made with charcoal, which gives it an exceptional flavor; it’s definitely worth trying!
It can be done in 2 days, taking a high-speed train to Zhangjiajie.
Only 2 days are needed! Yeah!