Despite their similar and sometimes confusing acronyms and their overall purpose of allowing tax-free reimbursement of various types of medical expenses, health savings accounts (HSAs) and health reimbursement arrangements (HRAs) are quite different when you get down to the details.
A full rotation of Pluto takes 6 Earth days, 9 hours, and some minutes; so the day part should be about half that amount (3 days and 5 hours), at least on average.
The distance from Earth to Pluto is not constant, but averages to 3.57 billion miles. The Space Shuttle orbits at 17,500 miles per hour. Therefore 205,000 hours or 8,500 days or 23 years 105 days. With a solar sail, said craft would reach Pluto in less than five years.