1 Peter 1:11

11 trying to find out the time and circumstances to which the Spirit of Christ in them was pointing when he predicted the sufferings of the Messiah and the glories that would follow.

Read 1 Peter 1:11 Using Other Translations

Searching what, or what manner of time the Spirit of Christ which was in them did signify, when it testified beforehand the sufferings of Christ, and the glory that should follow.
inquiring what person or time the Spirit of Christ in them was indicating when he predicted the sufferings of Christ and the subsequent glories.
They wondered what time or situation the Spirit of Christ within them was talking about when he told them in advance about Christ’s suffering and his great glory afterward.