《明史·本纪·卷十九》
六月十五日，因久雨而修身反省，穿素服避开正殿，到皇极门处理政事。
六月戊戌，以霪雨修省，素服避殿，御皇极门视事。
Fifteenth of the sixth month: due to the long rains, he cultivated his body and mind, wore mourning clothes, avoided the main hall, and handled government affairs at the Huangji Gate.