Spirits are completely shelf stable. Unlike wine, which can sometimes develop an off taste during storage, or rapidly go downhill once it's been opened, liquor will keep indefinitely.

How long till alcohol goes bad?

After opening, it should be consumed within 6–8 months for peak taste, according to industry experts (3). However, you may not notice a change in taste for up to a year — especially if you have a less discerning palate (3). Liquor should be stored in a dark, cool place — or even a freezer, though this isn't necessary.

Can out of date alcohol harm you?

Alcohol has a 'best before' date rather than a 'use by' date, meaning it is safe to drink past the date on the container. ... As a general rule, the taste will start to change gradually over time once the drink has passed its best before date.