Press secretary Karoline Leavitt is set to make her debut behind the podium as the White House holds its first official news briefing Tuesday afternoon. Leavitt is certain to get questions related to the White House budget office’s decision to pause all grants and loans disbursed by the federal government to ensure its programs are consistent with President Donald Trump’s executive orders.

Moving day at the White House is a frenzied but carefully choreographed dance that begins while most of the nation is still in bed.

Here’s a short list of presidents who lived elsewhere during their time in office and when the president could move into the White House.