Shuangjiang (solar term)

The traditional Chinese calendar divides a year into 24 solar terms (节气/節氣). Shuāngjiàng, Sōkō, Sanggang, or Sương giáng is the 18th solar term. It begins when the Sun reaches the celestial longitude of 210° and ends when it reaches the longitude of 225°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 210°. In the Gregorian calendar, it usually begins around October 23 and ends around November 7.

The western holiday of Halloween occurs in this solar term.

Pentads

 * 豺乃祭獸, 'Dholes make offerings of the beasts'
 * 草木黃落, 'The plants yellow and shed leaves'
 * 蟄蟲咸俯, 'All insects go dormant'