Morgan Freeman narrates a new ad from the Human Rights Campaign, set to run in markets across the country, that characterizes recent victories for same-sex marriage as a “mandate for full equality.”

The 30-second spot, unveiled on Sunday, is going up in advance of a Supreme Court conference on Friday to consider whether to take a series of cases challenging the Defense of Marriage Act as well as California’s Proposition 8. It’s expected that the high court will announce whether it will grant or deny cert in the cases on the following Monday, or Dec. 3. The court will be weighing five challenges to DOMA, the Prop 8 case, and a challenge to Arizona Gov. Jan Brewer’s decision to stop offering domestic partner benefits to state employees.

The reasoning for airing a spot like this now it to take advantage of the attention that will be on the issue, particularly in the next week. In addition to what is going on in the Supreme Court, five state legislatures — Delaware, Hawaii, Illinois, Minnesota and Rhode Island — will be considering marriage equality legislation when lawmakers return in January.

The transcript and video of the ad, titled “Dawn of a New day for Marriage Equality,” is below. It will start airing on Sunday and run for a week. It was filed and edited by Chi/Donahoe + Cole/Duffey in Portland, Maine.

stands at the dawn of a new day.

Freedom, justice and human dignity have always guided our journey toward a more
perfect union.

Now across our country, we are standing together for the right of gay and
lesbian Americans to marry the person they love.

And with historic victories for marriage, we’ve delivered a mandate for full

The wind is at our back. But our journey has just begun.

Join us.