Time zones have nothing to do with it. If you go ontime zones are funny like that it updated at midnight jst(30 turning 31) which is was 5 or 6 hours before the translation released iirc
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to see the update announcement, you'll see it was after the patch was posted on discord. On discord they even specifically note the translation patch was released c.12 hours before the update. Shrifted was happy about that.