Rotation of the Sun

Notices

• P is the position angle of the rotation axis from celestial north, positive being eastward and negative being westward.
• B₀ and L₀ are heliographic latitude and longitude of the Earth, respectively.
• Limitation of one calculation is either 370 days or 400 cycles.
• Related Contents
  • Glossary (Ephemeris)
• No Daylight Saving Time considered.
• We might modify this program without notice (ver.1.0d).