Why do you think some places celebrate the vernal equinox as the New Year or Earth Day?

In the past, some New Year's celebrations took place at an equinox, a day when the sun is above Earth's equator and night and day are equal in length. In many cultures, the March or vernal equinox marks a time of transition and new beginnings, and so cultural celebrations of a new year were natural for that equinox.

Explanation is in the file

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