The answer is: unconcerned about the time
In the phrase from Allen Ginsberg’s poem"A Supermarket in California," the speaker exhibits a lack of interest or worry about temporal length. In that respect, he is shopping at a supermarket in California, where he imagines piles of cans and a store detective pursuing him physically. Actually, in the rest of the poem, the narrator fantasizes about discovering imagines finding Federico García Lorca and Walt Whitman shopping there.