What do you mean by netting? Explanation of net value calculation in Gregorian calendar

1, the Gregorian calendar refers to making fishing nets.

2. The yellow calendar, also known as the old yellow calendar, the imperial calendar, the children's calendar, etc. , is a kind of almanac that can display various calendars such as solar calendar, lunar calendar and trunk calendar at the same time, and adds a lot of rules and contents related to auspiciousness and avoiding misfortune.

3. The main contents of the Gregorian calendar include twenty-four solar terms, avoiding good and bad luck, rushing evil, combining harm, receiving sound, supporting branches, twelve gods, on duty, fetal gods, stars, moon phase, exorcism, Peng Zu's taboo, six obsidians, nine planets, fleeting time, Chinese medicine, mysterious nine planets, week, twelve zodiac signs, orientation and so on.