Introduction of Four Seasons and Twenty Four Solar Terms
✵Four Seasons, Eight Solar Terms, Twenty-Four Solar Terms, and the Seventy-Two Pentads in Spring, Summer, Autumn, and Winter are introduced. The Four Seasons, Eight Solar Terms, Twenty-Four Solar Terms, and Seventy-Two Pentads system is a traditional Chinese calendar system established in ancient China.
This part introduces the climate characteristics of the four seasons and their corresponding solar terms, as well as the health risks associated with seasonal factors and preventive measures.
Introduction of Four Seasons and Eight Solar Terms
The Four Seasons, Eight Solar Terms, Twenty-Four Solar Terms, and Seventy-Two Pentads system is a traditional Chinese calendar system established in ancient China. The Four Seasons are known as: Spring, Summer, Autumn, and Winter. The Eight Solar Terms are: the Beginning of Spring, the Spring Equinox, the Beginning of Summer, the Summer Solstice, the Beginning of Autumn, the Autumnal Equinox, the Beginning of Winter, and the Winter Solstice.
Introduction of the Twenty-Four Solar Terms and the Seventy-Two Pentads: Spring
Spring is the first of the four seasons. Climatologically, it refers to the period when the average temperature over a “hou” (a five-day period) ranges from 10 °C to 22 °C. Spring includes six solar terms: the Beginning of Spring, Rain Water, Awakening from Hibernation, the Spring Equinox, Pure Brightness, and Grain Rain.
Introduction of the Twenty-Four Solar Terms and the Seventy-Two Pentads: Summer
Summer is the second season of the year. According to climatology, summer begins when the average temperature exceeds 22 °C. Summer generally starts from May 5 to 7 and ends from August 7 to 9, and includes six solar terms: the Beginning of Summer, Grain Buds, Grain in Ear, the Summer Solstice, Lesser Heat, and Greater Heat.
Introduction of the Twenty-Four Solar Terms and the Seventy-Two Pentads: Autumn
Autumn is the third season of the year. From a climatological perspective, autumn begins when the average temperature drops below 22 °C after the hot summer months. Autumn generally starts from August 7th to 9th and ends from November 23rd to 24th, and includes six solar terms: the Beginning of Autumn, End of Heat, White Dew, the Autumnal Equinox, Cold Dew, and Frost’s Descent.
Introduction of the Twenty-Four Solar Terms and the Seventy-Two Pentads: Winter
Winter is the final season of the year. From a climatological perspective, winter is defined as the period when the average temperature falls below 10 °C. Winter generally begins from November 23 to 24 and ends from February 2 to 5, encompassing six solar terms: the Beginning of Winter, Light Snow, Great Snow, the Winter Solstice, Lesser Cold, and Greater Cold.
The Four Seasons, Eight Solar Terms, Twenty-Four Solar Terms, and Seventy-Two Pentads system is a traditional Chinese calendar system established in ancient China. The Four Seasons are known as: Spring, Summer, Autumn, and Winter. The Eight Solar Terms are: the Beginning of Spring, the Spring Equinox, the Beginning of Summer, the Summer Solstice, the Beginning of Autumn, the Autumnal Equinox, the Beginning of Winter, and the Winter Solstice.
Spring is the first of the four seasons. Climatologically, it refers to the period when the average temperature over a “hou” (a five-day period) ranges from 10 °C to 22 °C. Spring includes six solar terms: the Beginning of Spring, Rain Water, Awakening from Hibernation, the Spring Equinox, Pure Brightness, and Grain Rain.
Summer is the second season of the year. According to climatology, summer begins when the average temperature exceeds 22 °C. Summer generally starts from May 5 to 7 and ends from August 7 to 9, and includes six solar terms: the Beginning of Summer, Grain Buds, Grain in Ear, the Summer Solstice, Lesser Heat, and Greater Heat.
Autumn is the third season of the year. From a climatological perspective, autumn begins when the average temperature drops below 22 °C after the hot summer months. Autumn generally starts from August 7th to 9th and ends from November 23rd to 24th, and includes six solar terms: the Beginning of Autumn, End of Heat, White Dew, the Autumnal Equinox, Cold Dew, and Frost’s Descent.
Winter is the final season of the year. From a climatological perspective, winter is defined as the period when the average temperature falls below 10 °C. Winter generally begins from November 23 to 24 and ends from February 2 to 5, encompassing six solar terms: the Beginning of Winter, Light Snow, Great Snow, the Winter Solstice, Lesser Cold, and Greater Cold.