Walmart revealed more details about its second "Black Friday Deals" sale Monday that starts online on Nov. 25. Why it matters: The world's largest retailer's sale is starting four days after Amazon launches its Black Friday sale Thursday,

Walmart announced Monday its plans for its second Black Friday sales event and for its Cyber Monday sales event. Here's what to know.

Black Friday sales will start online on Monday, Nov. 25 starting at noon ET (11 a.m. CT) for Walmart+ members and then 5 p.m. ET (4 p.m.) for everyone and continue through Thanksgiving Day. Stores will be closed on Thanksgiving (Nov. 28).