Forever day, also known as eternal day or perpetual day, refers to a never-ending period of time. This term can be used to describe an event or experience that seems to go on indefinitely, or to describe a state of being that will never change. Other synonyms for forever day include endless day, unending day, and timeless day. These words emphasize the idea of timelessness and suggest that the experience or event in question will continue uninterrupted for an infinite amount of time. Whether used poetically or literally, these synonyms for forever day evoke a sense of awe and wonder at the boundless nature of time.