Sexagenary Stem Branch Year Computation
Nominal Chinese sexagenary year-label arithmetic using 1984 Jia-Zi anchor. Caller supplies already established Chinese year label; no Gregorian-date conversion, lunar-new-year boundary or astrological prediction.
Description
A sexagenary label pairs one of ten stems with one of twelve branches to form a sixty-step cycle.
A sexagenary label pairs one of ten stems with one of twelve branches to form a sixty-step cycle.1
A supplied Chinese year label is distinct from determining which traditional year contains a Gregorian date. Use this tool to calculate sexagenary stem branch year computation from the supplied measurements and assumptions.
When to use Sexagenary Stem Branch Year Computation
Use this tool to calculate sexagenary stem branch year computation from the supplied measurements and assumptions. Identify the community, narrative version, source edition and interpretation context; prepare any annotations independently.
How to use Sexagenary Stem Branch Year Computation and understand its results
- Identify the community, narrative version, source edition and interpretation context; prepare any annotations independently.
- Enter explicitChineseYearLabel, using the field meanings and rules below, then run the tool.
- Read result.cycleOrdinal, result.stem, result.branch, result.animal. Interpret the fields using their units, signs and evidence conventions below.
- If input validation fails, correct the reported field and run again. Before applying the result, check reference scope, model assumptions and any missing evidence or placeholder values.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| explicitChineseYearLabel | Explicit chinese year label | number | Required |
Enter an integer Chinese year label from 1 through 9999. Compute k=((year−1984)%60+60)%60, then return cycle ordinal k+1 and the stored stem[k%10], branch[k%12] and animal[k%12]. The input is an already established traditional year label: no Gregorian-date conversion or Lunar New Year boundary is calculated.
k=wrap(yearLabel−1984,60); ordinal=k+1; stem=stems[k mod 10]; branch=branches[k mod 12]; animal=animals[k mod 12] Use the exact units, boundary rules, ordering and missing-evidence conventions above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Structured calculation or selected reference, with fields listed below | object |
| result.cycleOrdinal | Cycle Ordinal; follow the units, sign, ordering and evidence convention stated above | number |
| result.stem | Stem; follow the units, sign, ordering and evidence convention stated above | string |
| result.branch | Branch; follow the units, sign, ordering and evidence convention stated above | string |
| result.animal | Animal; follow the units, sign, ordering and evidence convention stated above | string |
{
"input": {
"explicitChineseYearLabel": 1984
},
"output": {
"result": {
"cycleOrdinal": 1,
"stem": "Jia",
"branch": "Zi",
"animal": "Rat"
}
}
}Limitations and assumptions
A supplied Chinese year label is distinct from determining which traditional year contains a Gregorian date. Interpretation depends on the units, sampling scope and exact model described above.
All listed fields require explicit values. Unexpected fields, incorrect types, nonfinite numbers and sparse evidence arrays fail validation; the specific bounds and alignment requirements are stated above. Extremely large inputs or outputs can also be rejected. An input error is distinct from a successful result reporting false, no matches or missing evidence.
Alternative or Complementary methods
Use Quarter Days Cross Quarter Days Lookup for this related task: Quarter days and cross-quarter observances belong to different calendar and customary systems.
Use Solstice Equinox Folk Practice Calendar Lookup when its separate inputs and assumptions fit the question: Seasonal festivals connect calendar markers with community-specific practices.
References
-
Sexagenary Stem Branch Year Computation — tool.io
Similar or alternative tools
- Quarter Days Cross Quarter Days Lookup
Quarter days and cross-quarter observances belong to different calendar and customary systems.
- Solstice Equinox Folk Practice Calendar Lookup
Seasonal festivals connect calendar markers with community-specific practices.