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I check your posts, and for sure day 22nd is counted wrong. I don't see issue with time of posts.
About the bot and posts counting - from my observation, sometimes posts after 5pm (forum time) are counted for next day, sometimes posts before 7pm (forum time) are counted for present day. So if you want to be sure for which day post will be counted, just do not post between 5pm and 7pm forum time.
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How many days that my yobit account doesn't update all my post, so this is the latest signature, any new instruction or there's no need to do but just to update our signature.
Just update your signature. (posts with old one probably also was counted)