Gonotrophic Cycle Days Duration Recorder

Record observed gonotrophic-cycle elapsed calendar days, not a species-default duration.

Description

Record observed gonotrophic-cycle elapsed calendar days, not a species-default duration.

Recording a biological cycle's duration first requires two observation dates. Calendar-day subtraction describes the interval without inferring that the biological events were correctly identified.

When to use this tool

Record observed gonotrophic-cycle elapsed calendar days, not a species-default duration.

  • Prepare the supplied startDate, endDate fields for this operation.
  • Compare the complete example with the representation used by your own input before carrying the result into another step.

How to use the tool and how it works

  1. Enter startDate, endDate. Use the exact text syntax, units and index conventions explained below.
  2. Run the tool. If input validation fails, correct the supplied fields before interpreting any result.
  3. Read result.recordedDurationDays. Interpret false, null and empty lists using the distinctions below; they can be valid outputs.

Validate startDate/endDate as proleptic Gregorian dates and subtract their day coordinates. Require a nonnegative difference and return recordedDurationDays; equal dates return zero.1

Input fieldMeaning and representationAccepted input
startDateObserved date, without a time of day or timezone.Valid proleptic Gregorian YYYY-MM-DD, years 0001 through 9999
endDateObserved date, without a time of day or timezone.Valid proleptic Gregorian YYYY-MM-DD, years 0001 through 9999
Output fieldInterpretation
resultObject containing the named outputs below.
result.recordedDurationDaysThe recorded duration days value under the stated formula or text convention.
json
{
  "input": {
    "startDate": "2026-01-01",
    "endDate": "2026-01-04"
  },
  "output": {
    "result": {
      "recordedDurationDays": 3
    }
  }
}

Limitations and assumptions

  • Times of day, time zones and fractional days are not represented. The tool does not observe feeding or oviposition or determine whether the interval is a complete gonotrophic cycle.
  • Every declared top-level field is required and unexpected fields are rejected. Numeric inputs must be finite; ordinary text fields are bounded to 8,192 UTF-16 code units, with tighter operation-specific limits where stated.
  • Ordinary string lists have at most 128 entries of at most 128 code units each; numeric lists and matrices have separate bounded size checks. Nonfinite results and excessively large serialized outputs are rejected.
  • Indexes are zero-based and spans have an exclusive end unless explicitly stated otherwise. A valid false, null or empty-list result is distinct from malformed input.

Alternative or Complementary methods

Combine recorded observations with a validated method, appropriate controls and the complete specimen context. Use original qualified references when reviewing species, stages or product information; a supplied-record match, sample ratio or historical flag is only the stated piece of evidence.

References

  1. Tool behavior and example: Gonotrophic Cycle Days Duration Recorder — tool.io

Similar or alternative tools

Don't forget to set a bookmark for tool.io!
Privacy | Imprint | Cookies