Skip to content

Main content

Crop Season Year Explicit Anchor Tool

Assign a supplied month to an explicit cross-year season convention.

Loading tool…

Description

For a non-January season, end-year labels add one at/after seasonStartMonth; start-year labels subtract one before it.

Agricultural time series depend on clock origins, reporting intervals, source vintage and crop-season labeling. A supplied clock offset can reconcile timestamps, while matching source labels alone cannot prove clock synchronization. Calendar-year labels and start-year/end-year crop-season labels use different boundary conventions.

For a non-January season, end-year labels add one at/after seasonStartMonth; start-year labels subtract one before it.

When to use this tool

Use Crop Season Year Explicit Anchor when checking the stated clock, period, reporting-support or season-label convention.

How to use the tool and how it works

  1. Enter calendarYear, month, seasonStartMonth, labelByEndYear. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read seasonYear. Use the output convention below.

Require whole calendarYear and months 1..12. For a non-January season, end-year labels add one at/after seasonStartMonth; start-year labels subtract one before it. January seasons keep calendarYear.1

Input fieldMeaning and unitsAccepted input
calendarYearCalendar YearRequired. Safe integer.
monthMonthRequired. Safe integer; minimum 1; maximum 12.
seasonStartMonthSeason Start MonthRequired. Safe integer; minimum 1; maximum 12.
labelByEndYearTrue uses the ending calendar year for a non-January season; false uses the starting year.Required. Boolean.
Output fieldInterpretationReturned shape
seasonYearSeason YearRequired. Safe integer.
json
{
  "input": {
    "calendarYear": 2026,
    "month": 10,
    "seasonStartMonth": 9,
    "labelByEndYear": false
  },
  "output": {
    "seasonYear": 2026
  }
}

Limitations and assumptions

  • The season boundary and labeling policy are supplied; no crop calendar or geographical growing season is inferred.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Use verified time metadata, calibrated clocks and the relevant complete crop/calendar conventions for actual temporal alignment and interpretation.

References

  1. Calculation and input contract: agroinformatics/crop-season-year-explicit-anchor — tool.io

Similar or alternative tools