When will this Nation Gather together?

Zephaniah 2:1

Gather yourselves together, yea, gather together, O nation not desired;

Revelation 18:4

And I heard another voice from heaven, saying, Come out of her, my people, that ye be not partakers of her sins, and that ye receive not of her plagues.

Acts 4:32

And the multitude of them that believed were of one heart and of one soul: neither said any of them that ought of the things which he possessed was his own; but they had all things common.