National Day of Mourning: When It Is, What It Means, and What’s Closed in Montana

In recognition of the passing of former President Jimmy Carter on Sunday, December 29, President Biden has declared January 9, 2025, a national day of mourning. As a sign of respect, U.S. flags will be flown at half-staff for 30 days.

Significance of National Day of Mourning

Throughout history, national days of mourning have been observed on various significant occasions, extending beyond former presidents. President Lyndon Johnson declared one in honor of Rev. Dr. Martin Luther King Jr., and President George W. Bush designated one following the September 11 attacks. These acts of remembrance unite people across political boundaries, emphasizing the solemnity of such occasions.

Closures of Government and Financial Institutions

The national day of mourning for former President Jimmy Carter will see the closure of various institutions and services. Federal government offices, the New York Stock Exchange (NYSE), and the Supreme Court will be closed.

Nasdaq will close all U.S. equities and options markets, although bond markets will remain open until 2 p.m. ET. Additionally, the United States Postal Service will suspend retail locations and mail services on this day, honoring President Carter.

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What Will Remain Open

While some financial institutions may be closed in observance of Jimmy Carter's national day of mourning, others may choose to remain open. It is recommended that you verify the operating status of individual institutions on this day to plan accordingly.