Calculate Gregorian to lunar or lunar to Gregorian dates for Chinese, Korean, Vietnamese, and Japanese lunar calendars, plus zodiac details.
Related Calculators
- Leap Calculator
- How Many Days Have I Been Alive? + Day of Week Born
- Half Birthday Calculator
- Marriage Date Calculator
- All Everyday Life and Education Calculators
Lunar Calendar Formula
The following equation is used to convert a Standard Date to a Lunar Date.
LD = SD - 11
- Where LD is the Lunar Date
- SD is the Standard (Solar) Date
- 11 is the fixed day offset used for this conversion
To convert from Standard to Lunar date, subtract 11 days from the Standard Date.
What is a Lunar Calendar Calculator?
Definition:
A Lunar Calendar Calculator converts dates between the standard solar calendar and a simplified lunar calendar, also determining a basic lunar phase based on the input date.
How to Use the Lunar Calendar Calculator?
Example Problem:
The following example outlines the steps and information needed to convert a Standard Date to a Lunar Date and determine the lunar phase.
First, enter the Standard Date. In this example, the Standard Date is 2023-10-12.
Next, calculate the corresponding Lunar Date by subtracting 11 days. Here, the Lunar Date becomes 2023-10-01.
Finally, determine the lunar phase using the day of the Lunar Date. Since the day (1) indicates the beginning of the lunar cycle, the lunar phase is New Moon.
FAQ
What is the Lunar Calendar Calculator used for?
The Lunar Calendar Calculator is designed to convert dates between the standard solar calendar and a simplified lunar calendar, while also estimating the lunar phase based on the input date.
Is the conversion based on accurate astronomical data?
No, this calculator uses a fixed 11-day offset for demonstration purposes and may not reflect true astronomical conversions. For precise results, consult detailed lunar data sources.
How is the lunar phase determined?
The lunar phase is calculated using a dummy algorithm that computes the phase based on the day of the Lunar Date modulo 29.