The easiest way to show the Equation Of Time is to link put a sector on the dial that shows, plus or minus, the difference between civil time and true local solar time. However, a more sophisticated solution is to have a hand on the dial, co-axial with the minute hand, that follows the minute hand around the dial and link shows, at a glance, link how far behind or ahead the Equation Of Time is for a given day. This is the so-called Equation Of Time marchante. link