PAGASA: Autumnal Equinox 2010 would mean longer nights in the Philippines

By on Sep 21, 2010 in Astronomy, Science Comments

Autumnal Equinox 2010 will happen in the Philippines on September 23, according to PAGASA website.

As Philippine Atmospheric Geophysical and Astronomical Services Administration (PAGASA) explained, this is when the day and night will have equal length on Earth.

As the Sun approaches the celestial equator, this would mean that there will be longer nights in the Philippines.

PAGASA officer-in-charge Graciano Yumul Jr said that “Mars and Venus will be visible throughout the month while Saturn will gradually cease to view as days pass by.”

“Under perfectly cloudless dark sky condition in rural locations, Uranus can be spotted by people with good eyesight and who knows the exact position. Few people have actually seen it without the aid of a binocular or telescope,” he added.

The term “equinox” is derived from the Latin words “aequus” (meaning equal) and “nox” (meaning “night”) because when an equinox occurs, the length of the day and night becomes almost equal.

While Autumnal equinox 2010 seems almost no meaning for most Filipinos, this is a very special day for some other nations.

In the US, Autumnal equinox 2010 starts on September 22, which is also the start of Fall for this year; and the whole day for them will be full of fun and excitement, where everyone will bring jacket and enjoy some apple picking activities.

In Japan, the autumnal equinox is also called Higan, and an official holiday where families visit the graves of their loved ones.

But in China, Autumnal equinox 2010 is being celebrated from September 11 to October 10, while Singapore had a major celebration on September 18.

They also call it the Moon Festival, to commemorate the Mongol invasions back in 1341 AD.



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