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Lunar Phase (detailed)

Calculate Lunar Phase (detailed) instantly with the exact formula and a worked example.

Lunar Phase (detailed)

Year
Mo
Day
Moon age, days
21.5327
Calculate Lunar Phase (detailed) instantly with the exact formula and a worked example.

More about: Lunar Phase (detailed)

What it calculates

The “Lunar Phase (detailed)” calculator computes Moon age, days from 3 parameters: year, mo, day.

A handy everyday calculator for daily tasks.

Example calculation

With parameters Year = 2,026, Mo = 5, Day = 8 the result is 21.53.

How to use

  1. Enter year, mo and day — each field above is adjustable with a slider.
  2. Moon age, days is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Lunar Phase (detailed) calculated?
The Lunar Phase (detailed) calculator computes Moon age, days from year, mo, day. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Lunar Phase (detailed) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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