It's determined that it is 1982 but in front of the Black Gumball there is a Nissan 300ZX which came out in 1984.
Nadia snatches a newspaper off a stranger in the subway train in order to find out the date and the stranger looks at her in askance, before the scene cuts to a shot with the stranger turned away, seemingly having forgotten about having her newspaper stolen. However, in New York City in the early 1980s, such low-level crime was rampant, as was high-level crime, as evidenced by the Guardian Angels who were on hand to help victims and potential victims. The newspaper's owner likely did not want to risk something worse.
When Nadia grabs the newspaper on the subway, there is a story about Ghislaine Maxwell visible inside the paper. Ghislaine Maxwell was not headline news in 1982.
The cast iron Subway kiosk entrance to the Astor Place station is shown in scenes taking place in 1982, but the structure did not exist until 1985 when this replica was installed.
Nadia disparagingly refers to a passerby as a millennial; having been born in 1982, she herself is a millennial.