I found this on Yahoo Answers too :3

If you live outside Conus (continental US) or in a different hemisphere, this will be useful, if you don’t already have the knowledge. This is from Yahoo user nyjh.

The standard Sabbats marked in the Wheel of the Year as follows:

The Sabbats dates for the Northern hemisphere:
Yule- Winter Solstice (December 21st/22nd )
Imbolc – Beginning of Spring (February 1st/2nd )
Ostara- Spring Equinox (March 21st/22nd)
Beltaine- Fertility Festival (April 30th/May 1st)
Litha- Summer Solstice (June 21st/22nd)
Lughnasadh- First Harvest (August 1st/2nd)
Mabon- Autumn Equinox (September 21st/22nd)
Samhain- New Year (October 31)

The Sabbats dates for the Southern hemisphere:
Yule – Winter Solstice (June 21st/22nd)
Imbolc- Beginning of Spring (August 1st/2nd)
Ostara- Spring Equinox (September 21st/22nd)
Beltaine- Fertility Festival (October 31st/November 1st)
Litha- Summer Solstice (Dec 21st/22nd)
Lughnasadh- First Harvest (February 1st/2nd)
Mabon- Autumn Equinox (March 21st/22nd)
Samhain- New Year (April 30)