Saju Calculator
View a four-pillars-style result from an internal stem-and-branch calculation for entertainment. Solar-term boundaries are approximated, so this is not a precision calendar service or a validated forecast.
- Runs in your browser
- Nothing is uploaded
- No signup; device limits apply
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How to use this tool
Enter a Gregorian date and time branch. The year boundary is fixed at February 4 and month boundaries use preset dates, so births near a real solar-term transition may differ from a detailed calendar.
Results and examples
February 3 and February 4 of the same year can fall into different year pillars under the internal rule. That boundary is a calculation convention, not evidence about personality or future choices.
Limitations
- Location-specific apparent solar time and exact annual solar-term instants are not calculated.
- The output is not a predictive basis for career, health or financial decisions.
Fields
| Field | Guidance and constraints |
|---|---|
| Solar birth date | Check the unit and format displayed beside this field. |
| Hour (12 shi-chen) | Check the unit and format displayed beside this field. |
Data handling
Processing stays in the current browser tab; the site does not upload tool input for the calculation itself.
Sources
Frequently asked questions
Why can early-February dates change the year pillar?
February 3 and February 4 of the same year can fall into different year pillars under the internal rule. That boundary is a calculation convention, not evidence about personality or future choices.
Is this a precision four-pillars calendar?
Location-specific apparent solar time and exact annual solar-term instants are not calculated. The output is not a predictive basis for career, health or financial decisions.
