Theatrical Window Days Calculator
Actual dated theatrical distribution window elapsed civil days, not legally required minimum/contract rights or actual availability.
Description
A theatrical window can be recorded as elapsed calendar days between two distribution dates.
A theatrical window can be recorded as elapsed calendar days between two distribution dates.1
This tool calculates that duration without deciding a contractual minimum or availability rights.
When to use Theatrical Window Days Calculator
Use this tool to calculate that duration without deciding a contractual minimum or availability rights.
How to use Theatrical Window Days Calculator and how it works
- Prepare actualTheatricalReleaseDate, actualSubsequentWindowStartDate, with the units, conventions and assumptions below.
- Enter the required fields and run Theatrical Window Days Calculator.
- Read result.value using the output definitions below.
- Correct any rejected inputs and rerun; interpret the result within the stated model and its assumptions.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| actualTheatricalReleaseDate | Actual Theatrical Release Date. Use the units and matching context stated in the calculation below. | string | Required; other constraints below |
| actualSubsequentWindowStartDate | Actual Subsequent Window Start Date. Use the units and matching context stated in the calculation below. | string | Required; other constraints below |
Enter two real Gregorian YYYY-MM-DD dates in years 0001–9999 and require the end not precede the start. Convert them to civil-day indices and return end minus start. Equal dates give zero; the result is elapsed days rather than an inclusive count or a timezone-dependent duration.
days=civilDay(endDate)-civilDay(startDate) Apply the input ordering, units and branch conditions stated above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Object containing the calculated or selected fields below. | object |
| result.value | Elapsed civil-calendar days, excluding an inclusive extra day. | number |
{
"input": {
"actualTheatricalReleaseDate": "2026-01-01",
"actualSubsequentWindowStartDate": "2026-01-11"
},
"output": {
"result": {
"value": 10
}
}
}Limitations and assumptions
The calculation uses the supplied observations and model inputs. It does not collect measurements, select a reference population or coefficient, or establish that the model applies to the actual case. The stated branch conditions and output units remain part of the result.
All fields require explicit values. Unexpected fields, wrong types, nonfinite numbers and sparse arrays are rejected. Alignment, bounds and supported-token rules are explained above; extremely large inputs or nonfinite results can also fail. Input errors differ from successful false comparisons, unavailable-domain flags and empty match lists.
Alternative or Complementary methods
Use KDM Validity Window Calculator for a complementary operation: A recorded KDM time window can be audited under an explicit start-inclusive and end-exclusive convention.
Use Changeover Cue Mark Calculator for a complementary operation: A changeover cue index can be recorded from reel length and an independently established lead in frames.
References
-
Theatrical Window Days Calculator — tool.io
Similar or alternative tools
- KDM Validity Window Calculator
A recorded KDM time window can be audited under an explicit start-inclusive and end-exclusive convention.
- Changeover Cue Mark Calculator
A changeover cue index can be recorded from reel length and an independently established lead in frames.