DST and Easter?

An article in the Clarion Herald (New Orleans' archdiocesan paper) caught my attention. It brought out the impact that the earlier "spring forward" to DST impacts the scheduling of parish Easter Vigil services. In fact, the article noted, recourse was made to the National Weather Service to find out when sunset would be on Holy Saturday and when it would be full nightfall, because the Easter Vigil cannot begin until it is night. Complete darkness will come, we are informed, at 7:47, so it's a "whew!" moment for parishes that scheduled the service at 8:00 or later. For the rest of you, well....