User blog comment:SibunaSeason34/Team HOA Reunion Movie 2015/@comment-25576856-20150130203657/@comment-24596535-20150130213120

Because if people come on an exact hour, it's a bigger possibility the hashtag will trend worldwide. If 100 fans tweet on 12 pm, and the other hundred fans tweet on 5 am, it's more likely that the tag will not trend. When we all tweet together on the same time, it'll be better.