When is the dog days?

It starts on July 16 and ends on August 24th.

The dog days algorithm starts from summer to the third Geng day in the future and lasts for ten days. Zhongfu begins from the summer solstice to the fourth Geng Day and ends the day before the first Geng Day after the solar terms in beginning of autumn. The last stage was the first Geng Day after beginning of autumn, which lasted for ten days. Because the number of days in midsummer is uncertain, some years are 10 days and some years are 20 days, so the number of days in dog days is different, 30 days or 40 days.

One volt (initial volt): July 2022 16-July 25, 2022, *** 10. Two volts (middle volts): July 26th-August, 2022 14, 20 days. Three volts (terminal voltage): August 202215-August 24, 2022, *** 10 day.

Sanfu custom

Whether it's pancakes or jiaozi, people have been trying their best to escape the summer in dog days, and gradually formed a unique diet custom culture. For example, the summer diet in the Northern Song Dynasty was a "green purse" with lotus leaves wrapped in buns, which is said to have the effect of clearing away heat and relieving summer heat.