Today is Chinese New Year
Feb. 3rd is Chinese New Years Day - the first day of the Chinese lunar calendar.
On December Fifth. Your Chinese Zodiac Sign is the Ox.
You need a Chinese lunar calendar
See related question
Chinese Valentine's Day is called Qixi Day. It is always on the 7th day of the 7th month of the Chinese calendar. In 2014, that is August 2nd. In 2015, that is August 20th.
There are various calendars used around the world now, like the Chinese calendar, but the main one, using the months from January to December is the Gregorian calendar.
The Chinese traditional Lantern Festival, Yuanxiao Festival in Chinese, which is on 15th day of the Chinese Lunar Calendar.
The Spring Festival is the New Year's Day for the Chinese lunar calendar. For this reason, it is more commonly called Chinese New Year. It always falls between Jan. 21 and Feb. 20 in the Gregorian calendar.
This year (2012) is 4649 in the Chinese calendar. Your meaning of the old Chinese calendar is unclear
The Moon Festival, or Mid-Autumn Festival takes place in China and Vietnam on the 15th day of the 8th month of their calendars under a full moon. This usually happens in late September or early October our calendar in the United States.
2010 is Year 4707 in the Chinese Calendar
The date according to the Western calendar changes every year, but on the Lunar calendar, Chinese New Year always falls on the first day of the first month.