The Longest Day in Chang'an
長安十二時辰 (original)
Starring Lei Jiayin, Jackson Yee, Zhou Yiwei, Rayza, Han Tongsheng, Li Yuan, Wang Herun, Lu Fangsheng, Zhang Lei, Jiang Yi
It's a mystery and action & adventure show, and has a rating of 7.8 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Indonesia.