Some drinks are intoxicating. For example, bhang, an intoxicating ingredient made from cannabis leaves, is mixed into drinks and sweets and consumed by many. In the evening, after sobering up, people dress up and visit friends and family . Holi is celebrated at the approach of the vernal equinox, on the Phalguna Purnima (Full Moon). The festival date, which is determined by the Hindu calendar, varies from year to year on the Gregorian calendar, typically coming in March, sometimes in February.