Get ready to not freak out. On Wednesday, Oct. 4 at 2:20 p.m. EDT, every TV, radio and cellphone in the United States should blare out the distinctive, jarring electronic warning tone of an emergency ...

WASHINGTON — Around 2:20 p.m. Eastern Time (or a little closer to 2:18 p.m. Eastern) on Wednesday, Oct. 4, millions of cellphones, TVs and radios across the country sent out an alert as part of a ...

A Sept. 20 Instagram post (direct link, archive link) shows a video of a man urging people to turn off their cellphones during an upcoming test of the emergency broadcast system. “This test will be ...