Nov. 1 -- today -- is the day open enrollment begins for health insurance plans on the Affordable Care Act exchange markets, also known as Obamacare.

Over the next 45 days, until Dec. 15, people can go on healthcare.gov and buy a plan for 2018.

It's the first full open enrollment for the ACA under the Trump administration.  The administration opposes the law and has made many changes that chip away at it.

But enrollment is cranking up, and the big question now is how it will work under new leadership, and how many will sign up in time.

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Martin Luther King Jr. Day and Juneteenth, among others, will no longer be considered fee-free days at U.S. National Parks. While the MLK National Historic Park in Atlanta doesn't charge admission, the new schedule will affect such metro Atlanta sites as Kennesaw Mountain National Battlefield Park. (Miguel Martinez/AJC)

Credit: Miguel Martinez-Jimenez

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Ceudy Gutierrez reads a book to her 2-year-old son, Matias, at their home in Buford, GA, on Tuesday, Nov. 18, 2025. Ceudy Gutierrez is struggling to make ends meet for herself and her three young kids following her husband’s ICE arrest earlier this fall. (Miguel Martinez/ AJC)

Credit: Miguel Martinez-Jimenez