Wikipedia: Chinese Calendar
Article about the Chinese calendar, a combination lunar and solar calendar. Covers its history and origins in the first millenium BCE, the zodiac, names for years and cycles, solar terms, and holidays.
Breaks down the mathematics.
Chinese Calendar, The
Historical background and answers to commonly asked questions.
Chinese Calendar Home Page
Offers printable calendars and conversion of dates between solar and lunar calendars.
Mathematics of the Chinese Calendar
Explores the mathematical rules used in the Chinese calendar, including calculating the date of Chinese New Year and predicting leap months.
Lunar New Year Center
Provides information on the holiday.
Structure of the Chinese Calendar
Overview of the two Chinese calendars, the lunar and the solar, and explains the divisions of time they use, including 60-year cycles, lunar months, and solar terms.
Chinese Agricultural Calendar (Nongli)
Overview of the Chinese agricultural calendar, the integrated lunar-solar calendar used to divide the year into seasons for agriculture. From the Hong Kong Observatory.