Q - How much time will elapse between the rapture and the beginning of the tribulation?

A - I'm not 100% sure but I would guess from 10-40 days.

It is a very common belief that the rapture is what triggers the tribulation. This assumption is caused by a streamlining of end-time events. The tribulation does follow th rapture, but a detailed examination of Scripture reveals a gap between these two events.

I believe the tribulation will start soon after the first fruits rapture but I cannot give you an exact number of days.

The tribulation will start when the Antichrist signs the seven-year peace agreement with Israel. The treaty will likely be a peace agreement between Israel and its Arab neighbors, one that will validate Jewish worship at a rebuilt Temple, which was destroyed in 70 A.D.

And he shall confirm the covenant with many for one week: and in the midst of the week he shall cause the sacrifice and the oblation to cease, and for the overspreading of abominations he shall make it desolate, even until the consummation, and that determined shall be poured upon the desolate (Dan. 9:27).