President Lincoln died on the 63rd day of his 57th year. His breath ended at 7:21 a.m. and 55 seconds. His pulse expired at 7:22 a.m. and 10 seconds.

Source: In This Sad World of Ours, Sorrow Comes to All: A Timetable for the Lincoln Funeral Train by Ralph G. Newman, Library of Congress Rare Book Room