Overview of the Chinese Calendar
The traditional Chinese calendar (農曆, nónglì — "agricultural calendar") is a lunisolar system with roots stretching back over 4,000 years. It synchronizes lunar months with the solar year through intercalary months and integrates the 24 solar terms (節氣, jiéqì) that track the sun's position for agricultural guidance.
The Sexagenary Cycle
One of the most distinctive features is the 60-year sexagenary cycle, formed by combining the 10 Heavenly Stems (天干) with the 12 Earthly Branches (地支). The Earthly Branches correspond to the 12 zodiac animals:
- Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, Pig
Each year has both an animal sign and an element (Wood, Fire, Earth, Metal, Water), cycling every 60 years. 2024 is the Year of the Wood Dragon (甲辰年).
Structure of the Calendar
- Months follow the Moon: 29 or 30 days, starting at the new moon.
- Intercalary months (閏月) are added every 2–3 years to correct the 11-day drift.
- 24 Solar Terms divide the solar year into 24 segments of 15 degrees each, marking key agricultural and seasonal milestones like the Winter Solstice (冬至) and Grain Rain (穀雨).
Major Festivals
- Spring Festival (春節): 1st day of the 1st lunar month — China's most important holiday
- Lantern Festival (元宵節): 15th day of the 1st month
- Qingming (清明): A solar term (~April 5) — tomb-sweeping day
- Dragon Boat Festival (端午節): 5th day of the 5th month
- Mid-Autumn Festival (中秋節): 15th day of the 8th month
The Calendar Today
China officially adopted the Gregorian calendar in 1912 and again in 1949 for civil use. However, the traditional calendar remains essential for scheduling festivals, choosing auspicious dates for weddings and business, and practicing traditional Chinese medicine. Apps like 万年历 (perpetual calendar) are ubiquitous on Chinese smartphones.