Zohran Mamdani Is Sworn In as Mayor of New York City NYT Par :Dana Rubinstein 1 janvier 2026 à 06:47 Zohran Mamdani officially took office as mayor after the New Year’s Eve ball drop, in a private ceremony held at a shuttered relic of the city’s subway. © Amir Hamja for The New York TimesZohran Mamdani was officially sworn in as mayor of New York City at the old City Hall subway station early Thursday.