10.10, 11.11, 12.12: Which among sales events is the most popular in Southeast Asia?

Sales festivals, such as 11.11 and 12.12, create opportunities for consumers to make advanced holiday gift purchases, and retailers should note to make these moments count, and capture the attention of their shoppers in advance of year-end seasonal shopping moments. Out of all these sales festivals, which remains the most popular among Southeast Asian consumers?