God won’t do anything without revealing it, Amos 3:7. There are several ways of knowing that the 7 years of tribulation will begin in 2023. Here is the concluding part of Matk 1:15, “the Time is Fulfilled…”

A confirmatory sign for 2023 will be “when  you see Jerusalem compassed with armies” Luke 21:20.  You may want to get a short ebook on this topic for $2.99 at https://www.amazon.com/dp/B09GMYDHJV