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Astronomy & calendar

Chinese Lunar Calendar Converter

Lunar Calendar

Convert solar and lunar dates while checking timezone, solar terms, Gan-Zhi time and true solar time for a chosen place.

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A structured Chinese Calendar calculation with a reproducible chart, result and practical interpretation.

The form shows only inputs used by this method.

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Which time should be used?

Uses your device date, time and time zone at submission. Location is not accessed.

Input depthOnly inputs used by this calculation are shown

Use the details you enterThis level does not collect background details that are not used in the calculation.Needs: Only inputs used by this calculation are shown

Core data appears first; sources and limitations can be expanded.
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What you get

  • Solar date, lunar date and weekday
  • Solar term and Gan-Zhi year/month/day/hour
  • Timezone, longitude and true solar time correction
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How it works

Inputs
The form shows only inputs used by this method.
Method
A deterministic engine calculates the chart before the result is interpreted.
03

How to read it

Confirm the input calendar, place and timezone first. Near midnight, a solar term or a double-hour boundary, compare the clock and corrected times.

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Frequently asked questions

What is Chinese Calendar?

Convert solar and lunar dates while checking timezone, solar terms, Gan-Zhi time and true solar time for a chosen place. It uses the same submitted inputs and fixed calculation rules each time.

What does the result include?

Solar date, lunar date and weekday; Solar term and Gan-Zhi year/month/day/hour; Timezone, longitude and true solar time correction.

What if the time or place is uncertain?

Use the closest supported value, keep the uncertainty visible, and compare boundary cases before interpreting the result.