Moment

eka ghadi adhi ghadi adhi ki puni adhi
tulasi sangati sadhu ki harai koti aparadha

1. One moment, or 
2. half a moment's, or 
3. even one half of a half of a moment's 

association with a real devotee can remove millions of offenses from a person and bring them to the platform of liberation. Such is the potency of a pure devotee's association.