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Islamic Date Day Boundary Convention

Record explicit Islamic-date text and its stated day-boundary convention without calendar conversion or assigning a religious practice.

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Description

Record explicit Islamic-date text and its stated day-boundary convention.

Textual and archival references depend on the collection, edition, numbering system, date convention and source attribution. A supplied surah/ayah or manuscript partition number is a locator, not verification of canonical limits or content. Permission, beneficiary shares and direction labels require their stated documentary context.

Record explicit Islamic-date text and its stated day-boundary convention.

When to use this tool

Use Islamic Date Day Boundary Convention when you already have dateText, boundaryConvention, conventionSource and need to record explicit Islamic-date text and its stated day-boundary convention.

How to use the tool and how it works

  1. Enter dateText, boundaryConvention, conventionSource. 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 label. Use the output convention below.

Enter dateText, boundaryConvention, conventionSource using the field constraints below. Encode these values, in exactly that order, as a JSON array and return the serialized array as text in label. String values are preserved without trimming or external terminology lookup.1

Input fieldMeaning and unitsAccepted input
dateTextDate TextRequired. Text; minimum UTF-16 length 1; maximum UTF-16 length 8192.
boundaryConventionBoundary ConventionRequired. Text; minimum UTF-16 length 1; maximum UTF-16 length 8192.
conventionSourceConvention SourceRequired. Text; minimum UTF-16 length 1; maximum UTF-16 length 8192.
Output fieldInterpretationReturned shape
labelLabelRequired. Text; maximum UTF-16 length 8192.
json
{
  "input": {
    "dateText": "1448-01-01",
    "boundaryConvention": "sunset",
    "conventionSource": "Calendar A"
  },
  "output": {
    "label": "[\"1448-01-01\",\"sunset\",\"Calendar A\"]"
  }
}

Limitations and assumptions

  • The result records supplied values without calendar conversion or assigning a religious practice. Sources and asserted relationships are not independently authenticated.
  • 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.

Alternative or Complementary methods

Consult the relevant original edition, manuscript, deed or stated authority for an interpretive or rights question. Use a complete calendar, directional or distribution method when computation is required; local locators and supplied labels do not infer those rules.

References

  1. Calculation and input contract: islamic-studies/islamic-date-day-boundary-convention — tool.io

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