The problem with a later dating for the Tribulation is it is out there isolated in the boondocks, not accompanied by required signs. Nothing works except 2015-2022. It would be odd for the Tribulation of seven years to be any other period because it just gets farther away from accompanied signs which we know don't exist again for centuries. One thing you know for sure about of Jesus' second coming it is accompanied by signs of the blood red moon, that is, a Tetrad before the commencement of the Tribulation. The first 4 feasts specified exactly when Jesus would arrive in His first coming after 69 weeks from 444 BC to April 1, 33 AD (Nisan 14) on Passover (beginning of 7 days), Unleavened Bread (7 days), Firstfruits (middle of the 7 days) and Pentecost (50 days later).

The last three feasts, in the fall, point to His second coming, commencing with parousia of the First Rapture at the Feast of Trumpets when the blowing of the Shofars looks like raptures, then the Day of Atonement (10 days later) to usher in the Jubilee year (all debts forgiven), and finally Tabernacles (5 days more) which lasts for 7 days that indicates a 7 year Tribulation before the tabernacling among men for 1000 years can commence. The last 3 feasts occur to describe the time of rapture and trumpets of the Tribulation, declaration of the Jubilee, and finally after the Tribulation of 7 years (Daniel's last seven), the 1000 year reign of the Son of Man on earth in the Temple. Parousia first commences with the first rapture "before the throne" (Rev. 7.9) then Jesus comes on the cloud and then through the cloud in the 7 year period to meet the saints in the air at the last trumpet rapture and resurrection (the last trumpet lasts about 24 months). Only then does He come down from the cloud with His overcomer believers to reign on earth for 1000 years.

Do you want to know how the 24 months is calculated?