The Hirèrk Moonscale [Hee-Rerrk] (HM) is a luni-solar calendar used at least since the time of Miyarris, which measures cycles based on the moons, solar years as well as the millennia-long cycles of global climate change. Today years HM are only seen in historic works and not considered accurate in historical accounts.epochHMHMBMEepochsepochsepochepochepochepochepochHMepochsMEME