Aries- 2am

Taurus- right after their midnight snack

Gemini- 1am

Cancer- 9am 

Leo- frequently pulls all-nighters 

Virgo- 10pm

Libra- midnight

Scorpio- 4:20am 

Sagittarius- right after 11:11 

Capricorn- 11:30pm

Aquarius- 1:37am

Pisces- 11:59pm, feels like they're going to bed early as long as the clock hasn't struck 12 yet