The 24 Solar Terms (二十四气) and 72 Solar Periods (七十二候) are traditional components of the Chinese lunisolar calendar. They reflect the annual climatic changes and natural phenomena observed in agricultural societies.
二十四節氣方位 Solar Terms x Directions
立春艮雨水寅驚蟄甲春分震清明乙穀雨辰立夏巽小滿巳芒種丙夏至離小暑丁大暑未立秋坤處暑申白露庚秋分兌寒露辛霜降戌立冬乾小雪亥大雪壬冬至坎小寒癸大寒丑四立二分二至正應八卦是為八節奇門九局皆起于此

| 節氣 Solar Term | 黃經 eLon | 黃經 eLon | 二十四山 Mount |
|---|---|---|---|
| 立春 Spring commences | 315 | 330 | M03艮 |
| 雨水 Spring showers | 330 | 345 | M04寅 |
| 驚蟄 Insects waken | 345 | 0 | M05甲 |
| 春分 Vernal equinox | 0 | 15 | M06卯 |
| 清明 Bright and clear | 15 | 30 | M07乙 |
| 穀雨 Corn rain | 30 | 45 | M08辰 |
| 立夏 Summer commences | 45 | 60 | M09巽 |
| 小滿 Corn forms | 60 | 75 | M10巳 |
| 芒種 Corn on ear | 75 | 90 | M11丙 |
| 夏至 Summer solstice | 90 | 105 | M12午 |
| 小暑 Moderate heat | 105 | 120 | M13丁 |
| 大暑 Great heat | 120 | 135 | M14未 |
| 立秋 Autumn commences | 135 | 150 | M15坤 |
| 處暑 End of heat | 150 | 165 | M16申 |
| 白露 White dew | 165 | 180 | M17庚 |
| 秋分 Autumnal equinox | 180 | 195 | M18酉 |
| 寒露 Cold dew | 195 | 210 | M19辛 |
| 霜降 Frost | 210 | 225 | M20戌 |
| 立冬 Winter commences | 225 | 240 | M21乾 |
| 小雪 Light snow | 240 | 255 | M22亥 |
| 大雪 Heavy snow | 255 | 270 | M23壬 |
| 冬至 Winter solstice | 270 | 285 | M00子 |
| 小寒 Moderate cold | 285 | 300 | M01癸 |
| 大寒 Severe cold | 300 | 315 | M02丑 |