Literature Reference: 重九共游娱，秋光景气殊。—— 《酬九日》 On the Double Ninth Festival, we enjoyed our time together, the autumn scenery was exceptionally beautiful. Source from 'Chou Jiu Ri'.
重:
Weighty and prudent in words and deeds, often used in personal names to signify a steady character and cautious approach to matters.
九: The largest single digit. In names, it signifies excellence and perseverance. The character "之" (zhī) is auspicious for career advancement.
Meaning: Chong Jiu symbolizes longevity, auspiciousness, and reunion.