When was the first frost in 2023?
The first frost is the eighteenth of the twenty-four solar terms and the last solar term in autumn. The solar calendar is 2 10, and it is celebrated every year on the 23rd-24th of the Gregorian calendar 10/0.
After entering the first solar term in first frost, the scene of late autumn is obvious, and cold air moves southward more and more frequently. The first frost does not mean "frost", but refers to the sudden drop in temperature and the large temperature difference between day and night. On the national average, "first frost" is the season with the largest temperature difference between day and night in a year.
In the first frost season, it's all over. From the morning, the sun went down to the ground, Yin Qi began to condense, and the first frost weather became colder and colder. Because "frost" is a manifestation of cold weather and large temperature difference between day and night, it is named "first frost", which means "sudden drop in temperature and large temperature difference between day and night". The first frost solar terms are characterized by cold weather in the morning and evening, hot weather at noon, large temperature difference between day and night, and obvious autumn dryness.
Characteristics of "first frost" solar terms
1. Temperature drop: With the arrival of the "first frost", the temperature gradually drops, the temperature difference between day and night increases, and it may be cold in the morning and evening.
2. first frost phenomenon: hence the name "first frost" solar term. Frost usually appears on the ground and grass leaves in the morning, which has a certain impact on crop growth and harvest.
Autumn harvest season: After the "first frost" solar term, farmers will harvest mature crops, such as rice, wheat and corn.
4. Forest discoloration: During the "first frost" period, the leaves in the forest began to change color, and the autumn leaves were like fire, showing beautiful red, orange and yellow tones, attracting many tourists to enjoy the autumn.