“The Future of UTC Conference” will be held at the University of VA from 29-31 May 2013 in Charlottesville VA, and Harlan Stenn will be presenting a paper there.
For most of our history, we’ve considered a “day” to be a solar day, and a “year” to be the time it takes the earth to rotate around the sun. We’ve even gone to some pains to mark the seasons accordingly, noting the vernal and autumnal equinoxes and the longest and shortest days of the year.
Over the course of history, we’ve noticed that our calendar doesn’t quite match with reality. Continue reading »





