Template:Circle of latitude/doc

This is a documentation subpage for Template:Circle of latitude.
It may contain usage information, categories and other content that is not part of the original template page.

Usage

|tropical or |polar
|convert is optional.

{{Circle of latitude|tropical}} → 23°26′09.8″

{{Circle of latitude|polar|convert}} → 66°33′50.2″ (or 66.56394°)

This template uses a continuously updating formula found at http://www.neoprogrammics.com/obliquity_of_the_ecliptic. Note that this formula calculates the mean ecliptic, not the true ecliptic, because it doesn't correct for nutation.