Lunar Calendar Converter

The Lunar Calendar Converter is a tool that transforms dates between the Gregorian calendar (the international standard used worldwide) and the lunar calendar (which tracks the phases of the moon). Many East Asian cultures, including Chinese, Vietnamese, and Korean traditions, have observed lunar calendars for thousands of years, using them to plan festivals, celebrations, and important life events. This converter makes it easy to understand when lunar holidays like Lunar New Year, Mid-Autumn Festival, and Dragon Boat Festival fall on the Gregorian calendar, and vice versa.

Simply enter a date in either calendar system, and the tool instantly calculates the corresponding date in the other system. Whether you're planning travel around lunar festivals, scheduling business meetings across cultural calendars, or simply curious about traditional celebrations, this converter handles the complex calculations in seconds. The tool supports both forward and reverse conversions, so you can start with any date format that's most convenient for you.

One useful feature is understanding that the lunar calendar year is shorter than the Gregorian year—about 354 days versus 365 days—which is why lunar dates shift relative to the Gregorian calendar each year and why intercalary (leap) months are occasionally inserted. This tool is especially valuable for anyone with East Asian heritage, international business professionals, cultural historians, or travelers planning to participate in lunar celebrations around the world.