AnyTools
🌙
Lunar Calendar Converter
Bidirectional conversion between lunar and solar calendars with detailed information
Conversion Mode:
Select Solar Date:
💡 Quick Reference
Chinese Zodiac Animals:
🐭鼠 🐮牛 🐯虎 🐰兔 🐲龙 🐍蛇 🐴马 🐑羊 🐵猴 🐔鸡 🐶狗 🐷猪
Heavenly Stems:
甲、乙、丙、丁、戊、己、庚、辛、壬、癸
Earthly Branches:
子、丑、寅、卯、辰、巳、午、未、申、酉、戌、亥
❓What is the Lunar Calendar Converter
The Lunar Calendar Converter is a tool that converts between the traditional Chinese lunar calendar and the Gregorian solar calendar. It provides comprehensive information including Chinese zodiac signs, heavenly stems and earthly branches (Ganzhi), traditional festivals, and solar terms. This converter is essential for understanding Chinese traditional holidays, planning important events according to auspicious dates, and bridging the cultural gap between Eastern and Western calendars.
✨Features
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Bidirectional Conversion
Support both solar to lunar and lunar to solar conversion to meet different date conversion needs
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Detailed Information
Provides complete Chinese traditional calendar information including lunar dates, zodiac, stems-branches, solar terms, and traditional festivals
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Accurate Calculation
Based on the professional lunisolar library, ensuring accurate conversion results with leap month support
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Intuitive Display
Clear interface design with zodiac icons and solar term reminders for easy viewing and understanding
📋Usage Guide
Step 1: Select Conversion Mode
Choose solar to lunar or lunar to solar mode (currently only solar to lunar is supported)
Step 2: Select Date
Choose the solar date you want to convert in the date picker
Step 3: View Results
Click the convert button to view detailed lunar information including zodiac, stems-branches, and solar terms
Step 4: Copy and Use
Click copy result button to copy the conversion result to clipboard for use elsewhere
📚Technical Introduction
🌙What is the Lunar Calendar
The Chinese lunar calendar, also known as the traditional Chinese calendar, is a lunisolar calendar. It is based on the phases of the moon (synodic month) for month lengths and references the solar year, using intercalary months to align the average calendar year with the solar year. Originating from the Yellow Emperor era, it has a long history and carries profound Chinese culture. Since 1912, China has used both the Gregorian and
☀️What is the Gregorian Calendar
The Gregorian calendar, also known as the Western calendar, is the internationally used civil calendar today. It was reformed from the Julian calendar by Italian physician and philosopher Aloysius Lilius and promulgated by Pope Gregory XIII in 1582. The Gregorian calendar is based on Earth orbiting the Sun once (approximately 365.2422 days) as one year. After the 1912 Xinhai Revolution,
🔄Relationship Between Lunar and Gregorian Calendars
The lunar calendar is lunisolar, considering both moon phases and solar movement; the Gregorian calendar is purely solar, only considering solar movement. Due to different calculation bases, the same lunar date corresponds to different Gregorian dates each year, varying by about one month. For example, the Lunar New Year (Spring Festival) floats between January 21 and February 20 on the Gregorian calendar.
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Frequently Asked Questions
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Why do I need a lunar calendar converter?
The lunar calendar converter is essential for converting between the traditional Chinese lunar calendar and the Gregorian solar calendar. It helps you understand Chinese traditional holidays (like Spring Festival, Mid-Autumn Festival), plan important events according to auspicious dates, and bridge the cultural gap between Eastern and Western calendar systems. The tool also provides detailed information including zodiac signs, heavenly stems and earthly branches, and solar terms.
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How accurate is the lunar calendar conversion?
The conversion is based on professional lunisolar calculation libraries that follow traditional Chinese calendar rules. The tool accurately handles leap months, solar terms, and the complex relationship between lunar and solar calendars. Conversion results include precise lunar dates, zodiac information, and Ganzhi (heavenly stems and earthly branches) calculations.
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Can I convert lunar dates to solar dates?
Currently, the tool primarily supports solar to lunar conversion. Lunar to solar conversion is coming soon. For now, you can select any solar date and convert it to the corresponding lunar date, along with detailed traditional calendar information including zodiac, stems-branches, and solar terms.
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What information does the converter provide?
The converter provides comprehensive lunar calendar information including: lunar date (year, month, day), Chinese zodiac animal, heavenly stems and earthly branches (Ganzhi) for year, month, and day, next solar term information, and traditional festivals. This information helps you understand the complete traditional calendar context for any given date.
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Is my date data processed securely?
Yes, all conversions are performed entirely in your browser using client-side JavaScript. Your date selections never leave your device or are uploaded to a server. All calculations occur locally in your browser's memory, and data is discarded when you close the page, ensuring privacy for your date queries.
💡Knowledge Extension
🐲
Origin of Chinese Zodiac
The twelve Chinese zodiac animals correspond to the twelve Earthly Branches, including Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, and Pig. Each person corresponds to a zodiac animal based on their birth year, with a 12-year cycle
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Leap Month Calculation
The rule for adding leap months in the lunar calendar is that a month without a middle solar term becomes a leap month. Since the Earth orbits the sun in an ellipse with varying speed, the time between two middle solar terms is not fixed, which can result in a lunar month without a middle solar term, making it a leap month
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Traditional Festival Reference
Most Chinese traditional festivals are calculated according to the lunar calendar, such as Spring Festival (1st day of 1st month), Lantern Festival (15th day of 1st month), Dragon Boat Festival (5th day of 5th month), Mid-Autumn Festival (15th day of 8th month), Double Ninth Festival (9th day of 9th month), etc. This tool helps conveniently query the corresponding solar dates of these festivals
🔗Related Documents
📖lunisolar - TypeScript Lunar Library-Core lunar conversion library used by this tool, supporting lunar-solar conversion and almanac queries
📚Wikipedia - Chinese Calendar-Detailed introduction to the Chinese lunar calendar including history, calculation methods, and complete information
🌍Wikipedia - Gregorian Calendar-Origin, development, and adoption of the Gregorian calendar worldwide
📘Wikipedia - Sexagenary Cycle-Detailed explanation of the Heavenly Stems and Earthly Branches system
🌿Wikipedia - Solar Terms-Detailed introduction to the 24 solar terms and their agricultural applications
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