# Rotation of the Moon

### Notices

- B
_{0} and L_{0} are selenographic latitude and longitude of the sub-Earth point, respectively. B_{s} and L_{s} are selenographic latitude and longitude of the sub-solar point, respectively. - P and P
_{s} are the position angle of the lunar rotation axis (North Side) and the sub-solar point, respectively, as seen from the Earth and measured from celestial north, positive being eastward and negative being westward. - i is the phase angle and k is the fraction illuminated.
- Limitation of one calculation is either 370 days or 400 cycles.
- Related Contents
- No Daylight Saving Time considered.
- We might modify this program without notice (ver.1.0f).