- Vernal Equinox - Eric Weisstein's World of Astronomy
Learn when the first day of spring will occur. Article offers a scientific description of the vernal equinox, know as the spring equinox in the northern hemisphere, when night and day are nearly the same length.
scienceworld.wolfram.com/astronomy/VernalEquinox.html
- Spring Equinox Celebrations
Describes the related Christian, Jewish, and Neopagan spring-time observances linked in some way to the spring or vernal equinox.
www.religioustolerance.org/spring_equinox.htm
- Celebrating Spring Equinox
Describes Pagan, Christian, and Islamic customs for the first day of spring, the vernal equinox.
www.schooloftheseasons.com/spring.html
- First Day of Spring - Education World
Offers a number of gardening lesson plans for school children based around the vernal equinox and the coming of Spring.
www.educationworld.com/holidays/archives/spring.shtml
- Spring has Sprung
The first day of spring in the U.S. is considered to be around March 20 or 21, depending on what day the vernal equinox occurs.
www.wxdude.com/spring.html
- Celebrate First Day of Spring - About.com
Features craft ideas and other activities for kids to celebrate the first day of Spring on March 20th.
familycrafts.about.com/cs/marchholidays/l/blmar21st.htm
- The Science of Spring
LiveScience article explaining why the first day of spring, the vernal equinox, arrives on varying dates (from March 19-21) from year to year.
www.livescience.com/environment/090319-spring-equinox.html
- What Day Does Spring Start?
Examines the row that has erupted over the official date for the start of spring in the U.K.
news.bbc.co.uk/2/hi/uk_news/magazine/4767522.stm
- Vernal Equinox: The Rite of Spring
Short description of the Vernal Equinox, official beginning of springtime, with charts illustrating the Earth's relation to the Sun from the Weather Network.
www.theweathernetwork.com/glossary/vernalequinox
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