Manila, Philippines — People around the world will experience around the third week of this month, what they call the autumn equinox. This marks the beginning of shorter days and longer nights in the northern hemisphere, including the Philippines.
According to the Philippine Atmospheric, Geosphysical and Astronomical Services Administration (PAGASA), the autumn equinox will occur at 11 am on September 23. This is the time where day and night will have equal length on Earth — 12 hours of day and 12 hours of night.
In the northern hemishpere, this marks a shift in season from autumn to winter. The equinox occurs twice a year, the vernal or spring equinox happened last March.