==Gallery====References====External links==*Word Lore*Online Etymology Dictionary*Glossary of Meteorology*Solstice, Equinox & Cross-Quarter Moments for 2011 and other years, for several timezones*Earth's Seasons, Equinoxes, Solstices, Perihelion, and Aphelion, 2000–2020 (from the United States Naval Observatory's Astronomical Applications Department)*Seasons and Seasonal Cusps as Pagan and Religious Holidays (from Archaeoastronomy)*What day does spring start?