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Stability Pull Point Date Offset

Apply an explicit calendar-day offset to a stability reference date without choosing a stability schedule.

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Description

Shift a stability reference date by supplied calendar days.

Pharmaceutical production records require explicit mass units, purity basis, sample-volume conventions and controlled dates. Mean form mass differs from active-content uniformity, while retest and expiry have different meanings. Supplied manufacturing terms do not establish quality, release, a preparation protocol or appropriate medication use.

Shift a stability reference date by supplied calendar days.

When to use this tool

Use Stability Pull Point Date Offset when you already have referenceDate, offsetDays and need to shift a stability reference date by supplied calendar days.

How to use the tool and how it works

  1. Enter referenceDate, offsetDays. 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 pullDate. Use the output convention below.

Require real UTC referenceDate and signed safe whole offsetDays; add offset and require output year 0000..9999.1

Input fieldMeaning and unitsAccepted input
referenceDateReference DateRequired. Text; maximum UTF-16 length 8192. Real proleptic Gregorian YYYY-MM-DD; four-digit years 0000-9999 accepted.
offsetDaysOffset DaysRequired. Safe integer.
Output fieldInterpretationReturned shape
pullDatePull DateRequired. Text; maximum UTF-16 length 8192.
json
{
  "input": {
    "referenceDate": "2026-10-28",
    "offsetDays": 4
  },
  "output": {
    "pullDate": "2026-11-01"
  }
}

Limitations and assumptions

  • No stability protocol, actual pull point, sample validity or appropriate storage schedule is selected.
  • 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 the original batch, assay, reference-material and stability records with the complete controlled method. Reconcile sampling and unit bases before combining local terms; one mass fraction or date comparison does not validate product quality or authorize release.

References

  1. Calculation and input contract: industrial-pharmacy/stability-pull-point-date-offset — tool.io

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