Spring Equinox

As we approach the Spring Equinox on March 20, 2025, let's explore this fascinating celestial event and its cultural significance around the world. San Jose Public Library offers a wealth of resources to enhance your understanding of this astronomical phenomenon and its associated traditions. 

What is the Spring Equinox? 

The Spring Equinox, also known as the Vernal Equinox, marks the moment when the Earth's axis is tilted neither toward nor away from the sun, resulting in nearly equal amounts of daylight and darkness across the globe. This event signals the beginning of Spring in the Northern Hemisphere and Autumn in the Southern Hemisphere. 

A New Beginning is a charming picture book that beautifully illustrates the science of spring and its multicultural significance through lyrical prose, vibrant illustrations, and engaging hands-on activities

Astronomical Significance 

During the equinox: 

  • The sun crosses the celestial equator, moving from south to north 
  • Day and night are almost equal in length 
  • The sun rises due east and sets due west 

Our Place in the Universe is an engaging exploration of how early civilizations understood the cosmos through observations and simple tools 

Cultural Celebrations 

The Spring Equinox has been celebrated by various cultures throughout history. Here are some intriguing traditions: 

Nowruz: Persian New Year 

This 13-day celebration begins on the Vernal Equinox. Families gather for a festive meal and decorate their holiday table, called the haft-seen, with seven symbolic items. 

Seven Special Somethings is a heartwarming celebration of Persian New Year, where a young boy embarks on a quest to find seven special items for his family's haft-seen

Chichen Itza: The Serpent's Descent 

At the ancient Mayan city of Chichen Itza in Mexico, the equinox creates a mesmerizing light-and-shadow effect on the El Castillo pyramid, resembling a serpent descending the steps. 

Where Is Chichen Itza? is an exciting journey through the ancient Mayan city of Chichen Itza, highlighting its historical significance and cultural heritage

Japanese Shunbun no Hi 

In Japan, the Spring Equinox is a national holiday called Shunbun no Hi. Some people use this day to visit and tend to their ancestors' graves. 

Japanese Traditions is a beautifully illustrated exploration of Japan's seasonal festivities, celebrating the country's rich cultural traditions

Natural Phenomena 

The Spring Equinox brings about several notable changes in nature: 

  • Faster sunrises and sunsets 
  • Earlier dawns and later sunsets in the Northern Hemisphere 
  • The beginning of bird and butterfly migrations northward 
  • Trees budding and Spring flowers blooming 

The Nature and Science of Spring is a captivating examination of the natural world and its scientific principles as they relate to the vibrant season of Spring

As we approach the 2025 Spring Equinox, take a moment to appreciate this celestial event and its impact on our planet and cultures worldwide. San Jose Public Library offers a treasure trove of resources to satisfy your curiosity about the equinox and related topics. Whether you're interested in astronomy, cultural traditions, or nature, there's something for everyone to explore and enjoy.