The nights in the Philippines will start to be longer, as the sun moves below the celestial equator towards the southern hemisphere, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said.
Based on the weather bureau’s astronomical diary, the so-called “autumnal equinox” will occur on September 23 at 03:50 in the afternoon.
It is explained that on the equinox, the night and day are nearly exactly the same length with 12 hours.
“Hence, thereafter, Philippine nights will be longer as the Sun moves below the celestial equator towards the southern hemisphere,” as stated.
There are two equinoxes happening in a year — the vernal equinox during March and autumnal equinox in September.
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