See the 2018 Chiang Mai Yee Ping Schedule Here
This year Yee Peng Festival will be held between November 20th and 23rd (right after Citylife Garden Fair!) with a target to reduce the amount of waste produced during the event as much as possible. From the 20th, candles will be lit around the moat with a traditional performance at the Three Kings Monument, and the opening ceremony of the festival will be held on the following day at Tha Pae Gate.
Yee Peng Kids Contest and Mr. & Ms. Yee Peng contest will start from the 21st. At the Chiang Mai Municipality Office there will be cultural performances from Lanna Drum Association and Cultural Performance Art, and Performing Arts School. There will also be a firework show in honour of His Majesty the King at the Chiang Mai Municipality on the 23rd. Concurrently, sermons will be given at numerous temples in the Old City.
See the full schedule here.
The authorities are encouraging all citizen to reduce the amount of waste during the event and to celebrate without alcohol and dangerous firecrackers.