Literature Reference: 昕,旦明也。——《说文》;昊,昊天,元气广大貌。——《尔雅》 Xin refers to the dawn, as described in 'Shuowen'; Hao signifies the vastness of the heavens, as found in 'Erya'.
昕: The moment when the sun is about to rise. When used in names, it often symbolizes brightness and wisdom.
昊: Vast and boundless, it often signifies great aspirations and a broad-minded spirit when used in personal names, fostering favorable prospects for one's career development.
Meaning: Xin symbolizes the rising sun, representing hope and light; Hao signifies the vast expanse of the sky, embodying broad-mindedness and lofty aspirations.