On what day in July does it enter the city?

On July 1 1 day, the three-volt curtain of 2023 will be officially opened. The entry time in 2022 is July 16, and the earlier years are July 13 and July 17.

Dog days are divided into the first day, the middle day and the last day. In terms of time, the solar calendar is from mid-July to mid-August, just between the hot summer and beginning of autumn, and the weather is humid and sultry. The ancients in our country described all kinds of heat in their poems.

For example, "Life is dog days, there are no cars on the road", "The sun is all over the sky, and the fire clouds are mountains" and "Ten thousand tiles are like fire dragons, and Japanese cars are still sweating". During the dog days, citizens should pay attention to heatstroke prevention and cool down, and successfully spend this hot and difficult season.

Method for determining ambush time:

The dog days are not only uncertain, but may be 30 or 40 days, and even the start date of the dog days is different every year. In fact, the date of the start of the ambush did not start with a fixed date in the Gregorian calendar or the lunar calendar, but was calculated by the calendar method.

As we know, the lunar calendar is a kind of "combined calendar of yin and yang", and the 24 solar terms of the lunar calendar are part of the "solar calendar"-it is determined by dividing the running time of the sun into 24 parts on average, so the time points of the solar terms are relatively fixed in the solar calendar.

The solstice soon after summer is the dog days. As the saying goes, "The summer solstice will count to the third watch." Among them, "Geng" refers to the seventh word in the sky. The third Geng Day after long summer is the first day of the first autumn on the solstice.

When this day comes, there are no rules, so we can only check the dates of the branches on the yellow calendar. But now it is more convenient that the order of dates can be easily found on the Internet.

The summer solstice in 2023 is June 2 1 day of the Gregorian calendar. Starting from summer, the third day with Geng is Sunday, and the corresponding Gregorian calendar date is July 1 1, so this day becomes the date of the start of the ambush in 2023.