The article is so fast that it will be written on August 23rd and published on 14th!
Date stamp is part of the metadata passed into the generator, according to https://neugierig.org/software/blog/2022/10/blog-software.ht..., but I don't see anywhere that the Go code checks whether a post's date is in the future. Did you intend to add a post-scheduling feature but haven't gotten to it?