The traditional East Asian calendars divide a year into 24 solar terms (節氣). Lìxià (pīnyīn) or Rikka (rōmaji) 's the 7th solar term. It begins when the Sun reaches the celestial longitude of 45° and ends when it reaches the longitude of 60°. It more often refers in particular to the day when the Sun's exactly at the celestial longitude of 45°. In the Gregorian calendar, it usually begins around May 5 and ends around May 21. Lixia signifies… (More on Lixia)