The circumstances that will be present when this event occurs are not in place yet, but they very well could be within a year.

Protestants will think it is the Rapture, until they discover that they are being returned to their earthly bodies when the phenomenon is over.

All Catholics need to get themselves to the Sacrament of Reconciliation, and go as often as necessary to remain in a state of grace. Christians and Juice should confess in the manner that they are accustomed. You will NOT want to go through this in a state of serious, unconfessed sin.After the Warning, Catholic priests will be besieged by people wanting to receive absolution for their sins and the Church will be overwhelmed with people wanting to learn about the Catholic Faith.

We will come face-to-face with Jesus, and go through the life review that dying people experience. In addition to the life review and learning our eternal destination if we were to die at that moment, certain truths will be made known to us…for example, the truth about the stolen U.S. presidential election. It is unclear, based on what the locutionists and visionaries have shared, whether or not Trump will be reinstated as president.

The following site provides a comprehensive coverage of this very complex and controversial topic, and is well-suited to those just finding out about this phenomenon:
countdowntothekingdom.com

Scripture Reference for the Warning
Revelation 6: cosmic phenomena, people trying to hide from God and not face their sins