亘古及今: from ancient times till now; from ancient times to the present;from time immemorial; since the dawn of history
纪年: 1.(记年代) a way of numbering the years 短语和例子阴历用干支纪年。 in the lunar calendar, the years are designated by the heavenly stems and earthly branches.2.(史书体裁之一依照年代先后排列历史事实) chronological record of