A tithi measures the angular relationship of Sun and Moon, so it does not line up neatly with a midnight-to-midnight civil date. Festival timing follows this celestial measure.
Why this story stayed
Sky stories survive because they make a recurring observation easier to remember. They connect motion, season, responsibility and human feeling with a visible pattern. The value of the story is not that every detail must be treated as a scientific account; its value lies in showing how a community organised meaning around the sky.
In astrology, the same narrative can become a shorthand for character or timing. That shorthand needs care. A symbol opens a line of interpretation, but it does not prove an event or remove a person’s freedom to choose.
Myth, history and astronomy
This page separates three kinds of statement. A traditional narrative tells us what communities repeated. A historical claim needs documents, objects or scholarship. An astronomical claim concerns observable and calculable events. They can appear on the same page without being treated as the same kind of evidence.
What to carry forward
The most useful question is not “Does this story guarantee something about me?” but “What human problem was this story built to remember?” That approach preserves cultural depth while avoiding fatalism.