I know...so add some humidity...guess-timate it. I'm not seeing the snake...does he look normal? or crinkly? With experience, you'll be able to tell from just the
way their skin folds look, like on their neck & all, or from the "halo" on their tummy 'scutes', as well as by flashlight in dark room on the arc of their eye-caps.
Some snakes seem to take forever to shed, while others get it done faster...not much you can do about how fast their body does this. I suspect that those with
the best health, best hydration & best nutrition are the ones that go thru the shed process faster...