This date lies halfway between summer solstice and the equinox in March.
Ahhh, Winter Solstice. That great time of the year, the darkness, the cold, the mystery!
The Ostara festival celebrates the vernal equinox, and the arrival of spring.
Beltane lies halfway between Spring Equinox (Ostara / Estore / Easter) and Summer Solstice.
Summer Solstice is the time when the sun is highest in the sky.