Jīngzhé is the 3rd of the 24 solar terms (節氣) in the traditional Chinese calendars. It begins when the Sun reaches the celestial longitude of 345° and ends when it reaches the longitude of 360°. More often, it refers to the day when the Sun is exactly at a celestial longitude of 345°. In the Gregorian calendar, it usually begins around March 5 and ends around March 20.