# Kālakriyāpāda — the solar year: the twelve sankrāntis and the two ayanas
model.geocentric
reset
show.bodies
show.sunPointer
show.constellations
show.eclipticBelt
show.sankranti
show.cardinals
division.set months
show.divisions
now
overlay.show The ecliptic cut into twelve equal signs. The Sun's entry into each one is a sankrānti
overlay.show Twelve of them make the solar year — a year defined by arc, not by counting days
wait.next Walk the year

overlay.clear
speed.set 12
repeat 12
  play.until.next-sankranti
  overlay.clear
  overlay.show {date} · {sun.station} · {sun.ayana}
  wait 0.8
end
pause
overlay.clear
overlay.show Twelve entries, one full circuit, back where it began
wait.next What were the two ayanas?

overlay.clear
overlay.show Half the year the Sun moves north — uttarāyaṇa; the other half south — dakṣiṇāyana
overlay.show The turns fall at the solstices, and Makara sankrānti has kept its name from the northern one
overlay.show Solar months made this way stay locked to the seasons, which lunar months cannot do alone
wait.next Done

overlay.clear