The twelve meridians corresponds to twelve months. How to correspond one by one?

December of the lunar calendar is not the lunar calendar we use now, but is based on the law of the moon's round and round. It is based on the 24 solar terms to determine the month, every two solar terms for a month, a month is about 30 days. This calendar divides the tropical year into twelve months, then into four seasons, and each season is divided into three months. These twelve months are the twelve months that directly correspond to the human the twelve meridians, that is, "the spring equinox, the summer equinox, the autumn equinox, and the winter equinox are ugly, totaling * * * twelve months. Twelve veins refer to the yang veins of hands and feet. The twelve pulses directly correspond to the qi number, so they are mutually induced with the qi of heaven and earth. "