The nizik is a time measurement used by Talaxians that holds the same position as the month does to Humans.

In an alternate timeline, Neelix stated that his show, Catching Up with Neelix, had been on for 6 months and about 4 Vostigye ronds, the equivalent of nearly 40 niziks. (VOY - Myriad Universes novel: Places of Exile)