Inauguration Day

American  

noun

1. the day on which the president of the United States is inaugurated, being January 20 of every year following a year whose number is divisible by four. Prior to the Twentieth Amendment to the Constitution (ratified February 6, 1933), it was March 4.

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Inauguration Day British  

noun

1. the day on which the inauguration of a president of the US takes place, Jan 20

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Example Sentences

See Examples For:

Inauguration Day

Since Inauguration Day 2025, the S&P 500 has risen 13%, according to Dow Jones Market Data.

From MarketWatch ● Apr. 8, 2026

“The bottom line is these people aren’t expecting Ronald Reagan to be some kind of miracle worker,” said Peter Hart in a Wall Street Journal front-page article the morning of Inauguration Day.

From The Wall Street Journal ● Jan. 3, 2026

Trump signed an executive order on Inauguration Day that kept the app running in the U.S.

From Barron's ● Dec. 19, 2025

Receiving less attention, though, was the effort’s promised “180-day playbook” for taking quick action to advance that agenda, beginning on Inauguration Day.

From Slate ● Jan. 27, 2025

As the sun began to set on Inauguration Day, the air temperature dropped further.

From "Becoming" by Michelle Obama