A Day

A Day or A-Day may refer to:

• 20 October 1944, the day the Leyte Island Operation began
• A Day (film), a 2017 South Korean film
• A-Day (University of Alabama), an annual college football exhibition game in the United States
• A-day (6 April 2006), the commencement of pension tax simplification in the United Kingdom
• "A Day", a 2017 episode of the American Netflix series Love

• One Day (disambiguation)

This disambiguation page lists articles associated with the title A Day.
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