With Rosh Hashanah as our favorite Rapture Feast, it could be for the Second Coming and leaving the rapture (the mystery as Paul says) for many other possible feasts IE: First Fruits, Pentecost, 9th of Av, 15th of Av, Tabernacle, Feast of Lights and so forth. So enjoy this possible date of removing the restrainer to reveal the son of perdition.