If you have one day long, you can visit three spots during the tourism time.
First spot you can go to the Hsinchu station in the morning,however, you don't know where you can visit, l will recommend you buy some little snakes or food.
At noon, you could go into the temple to prey god to bless you to have good health and do something is smooth. Beside, around the temple is full of many food stands.
As time to evening, go to the Big City you can to below things such as, buy cloth, food, watch a movie, and more. After hang around, it could spend you two hours on staying here.