1999 the weather meter is jingle.

1999 The jingle of the weather watch is "1929, don't shoot, walk on the ice in 3949, watch the willows by the river in May and June, open the river in July and September, and return the swallows in August and September, and plow cattle everywhere".

From the solstice of winter, every nine days is a "nine", the first nine days are called "nine", the last nine days are called "two nine", and so on, count to "nine nine nine", eighty-one days, "nine peach blossoms bloom", and the weather will be warm. As the saying goes, "Summer solstice is three years old, and winter solstice is nine years old." . It is generally coldest in April and September, which is the coldest period of the year. In September, the cold will disappear and spring will become warmer.

The correct algorithm of "counting nine" starts from the winter to the first nonunion day in the future, so the specific date of "nine" is not fixed every year.

1999 the influence of solar terms schedule;

"99" is the product of farming society, with a long history, which has been passed down from mouth to mouth among the people. It is a summary of the experience of ancient people in production and life practice from generation to generation, using some ecological reflections and meteorological signs in nature. It is quite scientific and still plays a guiding role in the arrangement of people's production and life, so it has always been very popular, widely circulated in people's mouths, reflected in people's behavior and demonstrated the wisdom of working people.