WASHINGTON, DC (WUSA) -- Holiday shopping started a bit sluggish.

According to the National Retail Federation, shoppers spent an average of about $407 over Thanksgiving, 4 percent less than the same period last year.

It's the first decline since 2009.

TheNRF says 141 million people shopped in store or online the four day weekend, with an expected 131 million on Cyber Monday.

But, you can catch more big shopping days between now and December 25th.

Green Monday is December 9th, green as in cash, a huge day for retail.

It doesn't get the same buzz as Cyber Monday, but the deals have been just as good in previous years.

Mark December 18th. It's Free Shipping day. Hundreds of e-tailers will participate, and every delivery is guaranteed by Christmas.

For procrastinators, December 21st is just for you.

It's the Saturday before Christmas, also known as Super Saturday because retailers rake in big bucks from last minute gift buying.

It doesn't stop there. Super Saturday also marks one of the last big days for stores to clear out their holiday inventory.

So, it could mean a huge bounty of discounts for shoppers who wait the very last minute.

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