Assuming a definition of anarchy as a state of being where there are no vertical hierarchies between individuals, it's safe to presume that it's quite a common occurrence in daily life. We look for anarchy, and try to create those moments in our lives and the people and relations around us. This is not denying the overall superimposed political hierarchy inherent in the state and government, and you could argue for that reason no "anarchy" may happen inside a state.
Beyond being oddly reductive of anarchy can be, I believe anarchy between people and in certain spaces can occur, albeit temporarily or unsustainably. Moments like people meeting someone new at a bar, kids playing, friends talking, parties, queer events, and so on. All these places and situations have the potential to be in anarchy, but of course not every single instance of those occurrences IS anarchy. The overarching social dynamics of age, maturity, condescending speech and whatnot would invalidate this "state of anarchy".
For as difficult as it may seem, it would seem rather interesting for someone to capture these brief moments of "anarchy" in life. People do it unintentionally everyday, but something focused with that in mind seems like it could yield some more interesting results. Thoughts?