U+6619 "昙" CJK Unified Ideograph-# Unicode Character

U+6619 "昙" CJK Unified Ideograph-# is a Chinese character that is a variant of the character for "cloud" or "overcast," often used in classical and modern Chinese to describe a fleeting or temporary phenomenon, particularly in the context of weather such as a passing cloud or a brief period of cloudiness. In Buddhist literature, it appears in terms like "昙花" (tanhua), referring to the night-blooming cereus or the ephemeral "udumbara flower," which symbolizes something rare and transient. The character is composed of the "sun" radical (日) and a phonetic component, and it can also be found in Japanese as a component of some personal and place names, carrying a poetic connotation of brief beauty or changeable skies.