There is a bug. Calculation is not possible. Calculates the sun's altitude at the standard time meridian for your location(Latitude is set on the equator.). Enter your latitude and longitude (space key), and it will calculate the sun's altitude at that point.
https://www.metds.co.jp/?smd_process_download=1&download_id=651 https://jcometobs.web.fc2.com/astrocalc/time/julian_cal.html
