12PM KST
From EverybodyWiki Bios & Wiki
12 PM KST is midnight in Korea; the time at which Korea's day starts.
This hour is feared in the K-pop community because it is also the time at which Big Hit Entertainment releases its products if they had not been announced prior to this release. The fans call themselves "boo boo the fools" when they refresh the company's page in vain because they thought something would be released, but nothing happens.
References
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