Consistent posting schedule?? Posting during peak hours? No, I drop my art onto your feed in the middle of the night, true to my cryptic nature. I am a skeletal monster knocking at your door and handing you a drawing of my OC before sprinting away
Is it a good idea to post when people will see it? Yes.
Is it a good idea to obsess over incremental peak posting hours or attempting to game an algorithm? No.
Every social media manager worth their salt will say that you should post when you have something worth posting.