How long does wine need to ferment?

The fermentation process can take anywhere from a few days to a couple of weeks, depending on the type of wine and the desired last item.  explanation For example, white wines are generally fermented for shorter time periods than red white wines. In general, the white wine is ready to consume when the fermentation procedure is complete and the desired level of alcohol has actually been reached. Some winemakers choose to age their red wines for a period of time after fermentation to permit the flavors to more develop. Full Article