What is the lunar-solar calendar?
The Vietnamese lunar-solar calendar combines lunar cycles with the seasonal solar cycle and is commonly referenced for traditional dates, solar terms and important activities.
Key information in the tool
What to consider when using the lunar calendar for memorial work
A traditionally favorable day is not suitable for every task. Memorial construction, renovation, reburial or burial should also consider relevant ages, orientation, cemetery conditions, weather and construction planning.
How to use the lunar-solar calendar
- Choose a date or select “Today”.
- Review lunar date, stems-branches, solar terms and overall status.
- Check favorable/unfavorable hours and conflicting ages.
- Select a date directly from the monthly calendar.
Convert lunar and solar dates in the same tool
Choose a solar-calendar date in Select date; the tool will automatically show the corresponding lunar date for Vietnam time (UTC+7). No separate tool is needed.
Favorable and unfavorable hours
Six favorable and six unfavorable traditional time periods are shown for the selected day. Use them as reference together with the actual purpose and conditions.
Favorable and unfavorable days
The calendar shows the day's traditional status. A favorable day is not universally suitable; memorial works should also consider day officer, relevant ages and construction planning.
Frequently asked questions
Is KANNO's lunar-solar calendar free?
Yes. The tool is free and does not require account registration.
Is a favorable day always suitable?
No. It is a general reference; suitability also depends on the task, relevant ages and actual conditions.
Can this tool be used to choose a memorial construction date?
It provides a general reference. For memorial construction, use the dedicated date tool and consult a qualified practitioner where appropriate.