Monday, 12. April 2027 until Wednesday, 14. April 2027 in 德宏
The Deang Watersplashing Festival
Said to be best preserved in Santaishan in Dehong.
http://shop.bytravel.cn/produce4/deangzujiaohuajie.html
The festival is held seven days after Qingming.
Festival held according to the Chinese Solar Terms 节气 There is another component to calculate this date!