According to Uriel's Machine by Knight and Lomas (2003), the triple spiral may represent the nine-month period of human pregnancy, since the sun takes a fourth of a year to go from the celestial equator (an equinox) to extreme north or south declination (a solstice), and vice versa.
Triple J | United States Triple Crown of Thoroughbred Racing | triple jump | Triple Crown | Triple Entente | Triple H | Triple Crown of Thoroughbred Racing | Triple X Records | triple play | Triple J Hottest 100 | spiral galaxy | Spiral | spiral | Triple-S Management Corporation | Triple J Magazine | Triple J Hottest 100, 2010 | Triple J Hottest 100, 1997 | Triple (baseball) | triple (baseball) | Spiral Circle Complete | United States Triple Crown of Thoroughbred Racing on television | Triple Sensation | Triple play (telecommunications) | Triple jump | Triple J Hottest 100, 1994 | Triple DES | "Triple Crown" | triple | Star Wars Republic Commando: Triple Zero | Spiral Tribe |