New changes in Korean music charts will be affecting midnight music releases.
February 15, according to various industry insiders, the major Korean music sites — Melon, Bugs, Genie, Mnet, Soribada, Naver Music, Monkey3 — will be undergoing a reform in how their charts are managed. Namely, songs released at midnight will not enter charts until the following afternoon at 1 p.m.
Only performance of songs released between 12 p.m. and 6 p.m. will immediately be reflected in real-time charts. Read More via Soompi.