What is the first day of 202 1? What is the first day of 202 1?

The first day of 1 and 202 1 is July 1 1.

2. The third day of Geng Day, the solstice after long summer, is the first day of dog days. It usually refers to the day from summer to the third Geng Day in the future to the day before the fourth Geng Day, also known as "Fu Tou".

3, three volts, is the first volt, the middle volt, the last volt collectively, is the hottest season of the year. "V" means being forced to hide underground. Three volts can be divided into initial volts, intermediate volts and final volts, and their dates are determined by the coordination of solar terms and solar terms in the dry branch calendar.