>>44
for the one in >>38:

• orange hand:

  • down: December solstice
  • left: March equinox
  • up: June solstice
  • right: September equinox

• blue hand:

  • down: new moon
  • left: first quarter
  • up: full moon
  • right: last quarter

• thick black hand:

  • down: solar nadir
  • up: solar noon

for the sidereal one:

• orange hand = sun
• blue hand = moon
• thick black hand = local meridian