Literature Reference: 贺,庆也;辰,时也。——《说文解字》 He means celebration; Chen means time. Source from 'Shuowen Jiezi'.
贺: To celebrate, to offer congratulations, to extend good wishes, to commend, and to reward with appreciation.
辰: Time, celestial bodies.
Meaning: Celebrating auspicious times, symbolizing good fortune and happiness.