This phrase is used to substitute a real time when it has become too late at night. Time is unimportant at the moment because of a number of reasons including: having a good time, becoming delirious from major sleep deprivation, too lazy to look at a clock/watch, etc.

Solarpunk is a movement focused on a positive, ecological vision for a future where technology is used for human-centric and ecocentric purposes. It is a literary, artistic and aesthetic sub-genre and is also closely tied to eco-political activism. Solarpunk narratives have a distinctly positive and utopian foundation in contrast to the often dystopian visions found within other "punk" science fiction genres.

The time of day when you find yourself wondering how it got so late ... and then realize you've been having sex all morning/afternoon/night/week.

noun--It sounds like eight o'clock, but it is definitely much later. Like 3 or 4 in the morning late.

The time it is when you don't have a watch on and your date is getting uglier by the minute.