Calculate the Age of Israel, Based on Jacob’s Age at the Time of His Trouble.* Israel was established as a nation in 1948.
* If Jacob’s trouble started when he was 77 years old, and if the nation of Israel were to begin to experience its trouble (i.e., the Great Tribulation) at the same age, then Israel would begin its trouble in 2025 (1948 + 77 = 2025), and it would not realize the benefit of the promise given to the nation (its land, peace, temple and Messiah) until 7 years later, i.e., 2032.Therefore, if there is a direct age correlation between Jacob (whose name was changed by God to “Israel” per Gen. 32:28), who experienced his time of particular personal trouble at age 77 years old, and the nation of Israel, which is prophesied to experience the Great Tribulation (which is also equated in Daniel 9:24-27 with a 7-year period), then we can conclude that Israel should be 77 years old when the Great Tribulation begins, and that age would be attained by Israel in the year 2025.Again, of course, we would expect the Great Tribulation period to conclude and Israel to receive the benefit of its promise in the year 2032, which would mark the year of the return of the Messiah.Source: