Calendar

About Chinese Calendar & How to Use

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1. How to Use

View Calendar: Navigate through months using the arrow buttons (‹ ›) or click "Today" to return to the current month.
Search Date: Use the search box to find Chinese calendar information for any date from 1900 to 2100.
View Details: Each calendar day displays comprehensive Chinese calendar information including lunar date, zodiac, ganzhi, and weekday.
Birthday Search: Enter a birthday to find the corresponding Chinese calendar date and calculate your exact age.
Astronomical Information: Click the year buttons (2025, 2026, 2027) to view moon phases and solar terms for those years.

2. What is This Website?

This is a comprehensive Chinese Calendar Search Tool that provides accurate Chinese lunar calendar information, astronomical data, and traditional date calculations. Our website combines ancient Chinese calendar wisdom with modern technology to help users discover auspicious dates and understand the traditional Chinese calendar system.

Key Features:

Complete Chinese calendar data from 1900 to 2100
Lunar date conversion with leap month support
Chinese zodiac signs and ganzhi (heavenly stems and earthly branches)
Moon phases and 24 Solar Terms for 2025-2027
Age calculation based on Chinese calendar dates
User-friendly interface with detailed date information

About the Chinese Agricultural Calendar (Nongli)

The traditional Chinese calendar is known as the Agricultural Calendar or Nongli, as it divides the year into seasons for agriculture. It is an integrated lunar-solar calendar (Yinyangli) that embraces both the movement of the moon and the Sun. The calendar is based on "tropical year" (365.2422 days) and "synodic month" (29.5306 days), with leap months added to align lunar and solar cycles.

3. Applications and Audience

This website serves various purposes and audiences:

a. Birthday Lookup: For people to find the Chinese calendar date of their birthday and discover their Chinese zodiac sign and ganzhi.
b. Wedding Planning: For couples to find auspicious dates for their wedding ceremony based on Chinese calendar traditions.
c. Business Opening: For business owners to select favorable dates for opening ceremonies, launches, or important business events.
d. Agricultural Planning: For farmers and agricultural workers who need calendar information for farming seasons and agricultural purposes.
e. Cultural Education: For students, researchers, and anyone interested in learning about traditional Chinese calendar systems and astronomical events.
f. Event Planning: For individuals planning important life events who want to choose dates aligned with Chinese calendar traditions.

4. Solar Terms (24 Solar Terms)

The 24 Solar Terms (二十四节气) divide the year into 24 periods based on the sun's position in the zodiac. Each solar term represents a specific astronomical event or natural phenomenon, marking seasonal changes and agricultural activities.

Key Solar Terms include:

Spring Commences (立春): Beginning of spring, around February 3-5
Vernal Equinox (春分): Equal day and night, around March 20-21
Summer Solstice (夏至): Longest day of the year, around June 21-22
Autumnal Equinox (秋分): Equal day and night, around September 22-23
Winter Solstice (冬至): Shortest day of the year, around December 21-22

These terms help farmers determine the best times for planting, harvesting, and other agricultural activities. The calendar displays solar terms for years 2025-2027, showing the exact date and time (Hong Kong Time, UTC+8) when each solar term occurs.

5. Moon Phases

The Chinese calendar is based on lunar cycles, making moon phases essential to understanding the calendar system. The four main moon phases are:

New Moon (新月): When the moon is not visible, marking the start of a new lunar month
First Quarter (上弦月): Half moon visible, waxing phase
Full Moon (满月): Complete moon visible, marking the middle of the lunar month
Last Quarter (下弦月): Half moon visible, waning phase

In the Agricultural Calendar, months begin with a new moon. Solar eclipses always occur on the first day of a month (new moon), while lunar eclipses occur during full moon phases. The calendar displays moon phases for years 2025-2027, showing the exact date and time (Hong Kong Time, UTC+8) when each phase occurs.

Note: Astronomical data (moon phases and solar terms) is provided by the HM Nautical Almanac Office (United Kingdom) and the United States Naval Observatory, ensuring accuracy for planning important events and agricultural activities.

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