《晋书·志·第十八章》
孙皓建衡三年，西苑说有凤凰聚集，因此改年号，这与孙亮时的情况相同。
孙皓建衡三年，西苑言凤皇集，以之改元，义同于亮。
In the third year of Jianheng by Sun Hao, Xiyuan said that there were phoenixes gathering, so the year number was changed, which was the same as the situation during Sun Liang's time.