Calendars used in this model:
Start of the Tribulation: October 24, 2023, Shemini Atzeret plus 2520 Days = End of the Tribulation, September 18, 2031, Rosh Hashanah
Middle of the Tribulation: 1260 days from Start = Nisan 10 plus 1260 days = Rosh Hashanah 2031
Shavuot that Evening: June 1, 2025 plus 1290 days = Hanukkah that Evening, December 12, 2028
Shavuot that Evening: June 1, 2025 plus 2300 days = Rosh Hashanah, September 18, 2031