When is the national flag raised in Tiananmen Square every day? How is it stipulated?

The rising and falling time of the national flag in Tiananmen Square is determined according to the sunrise and sunset time in Beijing, and the specific time is specially calculated by astronomer Lin Heng of Beijing Observatory. The flag-raising time is in the morning, when the upper edge of the sun is flush with the horizon in Tiananmen Square. So the sunrise time and sunset time are different every day, and the time when the national flag is raised is also different.

Every year from 65438+1 October 1 1 to June 6, the flag-raising is gradually advanced from 7: 36 am to 4: 36 am, with an average of about1minute per day; 12 From June 22nd to February 30th, the flag-raising time was gradually delayed from 4: 46 to 7: 36, with an average delay of 52 seconds per day. 65438+February 3 1 to 65438+1October 10 and June 7-June 2 1, the daily flag-raising time is 7: 36 and 4: 46 respectively.

The time of lowering the national flag is also divided into two periods: gradual delay and gradual advance. On rainy and snowy days, the time for raising and lowering the flag is the same as the day before.

The flag-raising in Tiananmen Square is changed to once a month, that is, the military orchestra only undertakes live performance services once a month.

Since yesterday, the flag-raising ceremony in Tiananmen Square has been adjusted. The flag-raising ceremony will be changed from three times a month to once a month, that is, the military orchestra will only undertake live performances once a month.