グレゴリオ暦[guregorioreki] Gregorian calendar
陰暦[inreki] lunar calendar
花暦[hanagoyomi] flower calendar
改暦[kaireki] calendar revision (e.g. at start of year)
還暦[kanreki] 60th birthday

旧暦[kyuureki] Japan's old (lunisolar) calendar
西暦[seireki] Christian Era
太陽暦[taiyoureki] solar calendar
剥がし暦[hagashigoyomi] calendar pad
盲暦[mekuragoyomi] picture calendar for illiterates