Hi Anthony,
My bad, after further research I found that the article I was reading contained information altered to fit the writers theory of the Egyptian Sothic Calendar.
I could find no a verifiable connection between The Emerald Tablets and Thoth other than what Wikipedia states;"The Emerald Tablet, also known as Smaragdine Table, Tabula Smaragdina, or The Secret of Hermes, is an ancient text purporting to reveal the secret of the primordial substance and its transmutations. It claims to be the work of Hermes Trismegistus ("Hermes the Thrice-Great"), a legendary Egyptian sage or god, variously identified with the Egyptian god Thoth and/or the Greek god Hermes. This short and cryptic text was highly regarded by European alchemists as the foundation of their art, in particular of its Hermetic tradition."
Regards,
Jacob