Q: what day is on September 30, 2012?

A: today is the Gregorian calendar on September 30, 2012, on Sunday, according to the lunar calendar August 2012 (small) 15, were as follows: nonyl birth year, the zodiacBelong to the dragon, on, sino-japanese unitary.

Q: on September 30, is what holiday?

Answer: festival (or solar term) as:The Mid-Autumn festival。

The Mid-Autumn festival, lunar calendar August 15, the Mid-Autumn festival is a traditional Chinese festival.In August for the second month, in the fall of the ancient called Mid-Autumn, therefore the folk called Mid-Autumn festival, also called chuseok, the mid autumn festival, half in August, the moon and the day, month, and since the day the moon full circle, symbol of reunion, also known as the mid autumn festival.