One business day or you get fired
Check your offer letter. If you don't have it then request your personnel file from HR.
There is no notice requirement. You are at will. You resign and go
In the US mostly there is employment at will. But it's better to check with your HR or colleagues
It’s always at will. We ended (legal) slavery in 1865.
In US, i once gave a notice of 2 hours- employment at will(besides, when companies fire, they usually give no notice)
2 weeks was considered courtesy. Now? Fk them. Just stop showing up.
Notice for lunch?