202 1 dog days schedule picture

When it comes to dog days, the first word that comes to mind is "hot", which can be said to be the hottest time of the year. The two hottest solar terms, Slight Summer and Great Summer, absorb more heat and emit less heat when the sunshine is abundant and intense in dog days. The more heat is accumulated, the more heat will become very hot, so everyone should remember to take a summer vacation in dog days.

1, 202 1 The dog days are divided into early, middle and late days, also known as one volt, two volts and three volts, and the duration varies from 30 days to 40 days. 202 1 dog days:

First lodging and first lodging: 2021July1day (June 2)-2021July 20 (June 1 1 day), * * */kloc-

Medium voltage and voltage: 2021July 21(June 12)-2021August 9 (July 2), * * 20 days;

Terminal and dog days: 2021August10 (July 3)-2021August19 (July 12), *** 10 days.

2.202 1 How hot is it in the dog days? The dog days of 202 1 are July 1 1 to August 19, which is when the sun is strongest. Every July and August, the subtropical high will increase. Under the control of subtropical high, the downward flow under high pressure makes the weather clear, reduces the amount of clouds, is beneficial to the sun, and the ground radiation becomes hot, making the weather even hotter. In addition, there is much rain in summer, the air humidity is high, and the heat capacity of water is much greater than that of dry air, so it will be very stuffy in the dog days.

3. Why is it that after the hottest summer in dog days comes, the humidity on the ground increases, the heat absorbed every day increases, and the heat lost is less, so the heat on the ground accumulates, so it gets hotter every day after it rains. Entering the dog days, the heat accumulated on the ground reaches its peak, so the weather is the hottest. The dog days include three solar terms: Little Summer, Big Summer and beginning of autumn, which are the hottest solar terms in a year, especially the big summer solar term is the clearest and hottest time in a year.