Mamdani's inauguration marks New York's new mayor on New Year's Day

Zohran Mamdani will take office on January 1 with a midnight oath at the decommissioned Old City Hall subway stop and a public ceremony at City Hall Plaza; he is New York City's first Muslim mayor and campaigned on affordability measures.

Zohran Mamdani will be sworn in as New York City's mayor on January 1 with a small midnight oath followed by a larger public ceremony later the same day. He selected the Old City Hall subway station for the midnight oath as a symbolic site tied to working people. The public ceremony will take place on City Hall's steps and in City Hall Plaza with music, speeches and livestream viewing areas. Mamdani is a 34-year-old former state lawmaker who campaigned on rent freezes, free buses and childcare and is reported as the city's first Muslim mayor. Key details: - New York law sets four-year mayoral terms to begin on January 1. - The midnight oath will be held at the decommissioned Old City Hall subway stop and New York State Attorney General Letitia James is reported as administering the oath. - The public inauguration will include a program on City Hall Plaza for about 4,000 guests and livestream viewing areas along Broadway. - Senator Bernie Sanders and Representative Alexandria Ocasio-Cortez are listed on the public ceremony agenda. - Mamdani won about 50% of the vote with turnout reported above 2 million and raised $2.6 million for the transition and celebrations. - After taking office, Mamdani will move from an Astoria apartment to Gracie Mansion, the mayoral residence. Summary: Mamdani's swearing-in will formally begin his four-year term with both a symbolic midnight oath and a larger public ceremony on January 1. City leaders, financial groups and supporters are reported as observing how his agenda will unfold. Undetermined at this time.