>Day 946
and if we're "2 days ahead of schedule" that makes today Christmas in terms of his days in office, Day 1227 begins today (at noon, if you're being picky).
Also, 2 days after JFK B-day, day 1227.
J(10)+F(6)+K(11)=27 and the 12 (1&2) ain't hard to figure out.