прикольно, один момент не понятен

Dear TOKOK users:
In order to reward users’ support, TOKOK and SEMUX project joint launch the "Deposit SEMUX to share 10000 SEM"activity. The specific activities are as follows:
Activity time: December 4, 2018, 00:00~ December 18, 20:59:59 (UTC+8);
Participation conditions: Users with more than 50 recharge SEMs can participate automatically;
Award distribution: TOKOK will distribute 10,000 SEM to all eligible participating users before December 15, 2018.

вроде как акция до 18 Декабря, а распределят до 15. НИПАНЯТНА ))