The exact time was calculated by astronomer Lin Heng of Beijing Observatory. In the morning, when the green on the upper edge of the sun is equal to the horizon seen in Tiananmen Square, it is time to raise the national flag, and at night, when the sun sets on the horizon, it is time to lower the flag. The time for raising and lowering the national flag varies from date to date.
Extended data:
Watch the flag-raising ceremony in Tiananmen Square;
1. The time for raising the national flag in Tiananmen Square has not been determined. The time to raise the national flag is from the earliest 4: 46 to the latest 7: 36, with an average difference of 52 seconds every day. When you go to raise the national flag, you can easily find the flag-raising time through the internet; Arrange the travel time in advance.
2. Tiananmen Square is not allowed to stay overnight. It will be closed and will only open 40 minutes before the flag-raising time. There are many people who come to see the flag-raising ceremony in the morning, so be sure to go out early or travel at the wrong peak.
3. Spare necessary items, such as ID cards, clothes and food.
4. Go to Tiananmen Square in the morning to see the national flag being raised and the Great Hall of the People; Then visit the Forbidden City, then Jingshan Park and Beihai Park. In the evening, you can go to Houhai Bar Street, where there are many places to eat.