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Circadian Phase Shift Arithmetic Calculator — result sheet
Normalize a clock phase after a supplied time shift across a 24-hour cycle.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Shifted phase=(starting hour+shift) modulo 24, normalized to 0–24 hours.
The page performs clock arithmetic only; it does not estimate a person’s biological phase or prescribe a sleep schedule.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Starting clock hour — minimum 0; maximum 24
- Phase shift in hours — minimum -168; maximum 168
Worked example
| Input | Value |
|---|---|
| Starting clock hour | 22 |
| Phase shift in hours | 8 |
Normalized phase =6:00.
Assumptions and limits
- Clock hours use a 24-hour decimal convention.
- A phase shift is supplied as a mathematical offset and may cross midnight.
- Light exposure, work schedules, travel, chronotype, sleep disorders, and health context are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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