The answer is: 1/3

Rev 8:12

In Revelation 8:12, it’s noted that during the fourth angel's trumpet blast, a third of the sun, moon, and stars were darkened. What a striking image this paints — one impacted by themes of loss and divine intervention. In nearly every culture, celestial bodies represent more than mere physics; they're symbols of guidance, life, and stability.

Intriguingly, this passage not only reflects a specific event in a cosmic narrative but also resonates with countless echoes throughout the scriptures. The number "three" bears much significance, often revealing patterns in God’s plans — in the Trinity concept, three patriarchs of Israel (Abraham, Isaac, Jacob), and even the three days before resurrection.

The darkening of heavenly bodies isn't just about physical darkness; it could also symbolize moral decay or divine judgment. Such imagery can take us beyond the surface into profound metaphors about stripping away light, representing challenges faced in one’s spiritual journey. Interestingly, in many parts of the ancient Near East, darkness was a manifestation of a deity’s displeasure or heralding impending significance.

Furthermore, in the narrative arc of Revelation, this darkly poetic development aligns with broader themes of transformation and renewal: where there is darkness, light also hints at nearby restoration, suggesting that hardship can pave the way for deeper insight and understanding. Like a sunset signaling the end of one day whilst implicitly promising renewal at dawn, these passages invite reflection on our own journeys through dark times towards eventual hope and clarity.