Perpetual Calendar

Chinese perpetual calendar with lunar dates, zodiac signs, and heavenly stems & earthly branches

Chinese Perpetual Calendar (万年历) — View Gregorian Dates Alongside Lunar Calendar, Heavenly Stems, Earthly Branches, Zodiac Signs, and Solar Terms

  1. Browse the dual-display calendar grid showing both Gregorian (solar) dates in the main cells and Chinese lunar dates (农历) displayed beneath each day. The Chinese lunisolar calendar is one of the world's oldest continuously used calendar systems, dating back over 3,000 years to the Xia and Shang dynasties. Each month begins with the new moon, and the year is kept synchronized with the solar year through the insertion of leap months (闰月, rùnyuè) approximately every three years — the calendar explicitly marks these intercalary months when they occur.
  2. Click any date in the grid to reveal detailed traditional Chinese calendar information in the side panel, including: the Lunar Date (农历日期) showing the month, day, and whether it's a leap month; the Heavenly Stems and Earthly Branches (天干地支, Tiāngān Dìzhī) designation for the year — the 60-year sexagenary cycle that combines 10 heavenly stems (甲 乙 丙 丁 戊 己 庚 辛 壬 癸) with 12 earthly branches (子 丑 寅 卯 辰 巳 午 未 申 酉 戌 亥); the Chinese Zodiac animal (生肖, shēngxiào) associated with the selected year's earthly branch; and any Solar Term (节气, jiéqì) that falls on that date — the 24 solar terms that divide the year based on the sun's position along the ecliptic.
  3. Navigate between months and years using the arrow buttons or the month/year dropdown selectors. The calendar covers a 200-year range from 1900 to 2100, encompassing the full lookup table period for the traditional Chinese lunar calendar. Each date cell also displays traditional almanac information (黄历, huánglì) including auspicious activities (宜, yí) and inauspicious activities (忌, jì) — these are the traditional Chinese cultural recommendations for what activities are favorable or unfavorable on a given day, commonly consulted for wedding dates, business openings, travel planning, and important life events.

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