Promulgated on August 6, 20 18, which was Thursday.

Published on August 6, 20 19, which was Friday.

The first batch was released on September 17, 2020, which was Friday (the epidemic was delayed for one month).

The second batch (Ministry of Medicine) was released on September 27th, 2020, which was Sunday.

2021August 18, which was Wednesday.

According to the data from 20 12 to 202 1, the release dates are 17, 16, 15, 18, 17 and/kloc respectively.

It can be seen that the natural announcement time in China is generally around Friday or 17- 18;

According to this rule, it is estimated that this year's national nature announcement day will be 16- 19, with a maximum of two weeks. For reference only, the specific time is subject to the official announcement.