Nine Star Chart Calculation
The Annual, Monthly, and Daily Nine Stars for the specified date will be calculated, and the respective Nine Star charts will be displayed.
Input using the Japanese calendar is available starting from January 1, Meiji 6 (1873), following the adoption of the Gregorian calendar.
This library performs calculations based on celestial mechanics, so Nine Star dates may differ from those on other websites.
For the period from 1873 to 2041, data consistency has been verified against the *Rekijitsu Taikan* (Compendium of Calendar Days).
This library performs calculations based on celestial mechanics, so Nine Star dates may differ from those on other websites.
For the period from 1873 to 2041, data consistency has been verified against the *Rekijitsu Taikan* (Compendium of Calendar Days).
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