According to research by Huang Yi-nung, when the ministers of the Qing dynasty were about to send their reports off to the emperor, they would always first check the almanac. If they came across the warning, "Not a good day to deliver a report," there wouldn't be a single document dispatched that day.
根據黃一農的研究，清代直省各都府在奏事時，大都要挑選吉時，以致每逢「不宜上冊表章」這天，竟然連一份奏摺都看不到。