# Golapāda IV.23–26 — declination, the day-circle (dyujyā), and the RA/Dec frame
reset
view.outside
observer.city Ujjain
show.horizon
show.cardinals
show.celestial-equator
wait 1

show.summer-solstice
overlay.show Summer-solstice day-circle — the Sun's greatest northern declination
wait 3
show.winter-solstice
overlay.show Winter-solstice day-circle — greatest southern declination
wait 3

show.sun-path
show.sun-path-hours
overlay.show Today's sun-path is the Sun's own diurnal day-circle (dyujyā)
wait 4

# switch to Āryabhaṭa's spherical coordinates
view.chart-equatorial
grid.type equatorial
overlay.show Equatorial frame — horizontal is right ascension, vertical is declination
wait 5
overlay.clear