How many days from Bailu to Cold Dew?

The two solar terms are about 25 days apart.

Cold dew and white dew are both autumn solar terms in the twenty-four solar terms. The Millennium is between September 7th and 9th every year, and the cold dew is between June 8th and 9th every year. After the white dew, the weather turned cold and dew began to appear. When it comes to cold dew, there is more dew, and the temperature is lower.

The Millennium is from September 7th to 9th every year, and the cold dew is from June 8th to 9th every year. Therefore, the white dew to the cold dew is generally about 25 days apart.