lunar_phase

Lunar phase at date, as an angle in degrees. An angle of 0 means a new moon,
90 degrees means the first quarter, 180 means a full moon, and 270 degrees
means the last quarter.

An R implementation of the algorithms described in Reingold and
Dershowitz (4th ed., Cambridge University Press, 2018) <doi:10.1017/9781107415058>,
allowing conversion between many different calendar systems. Cultural and religious holidays
from several calendars can be calculated.

Rob Hyndman

calcal

Calendrical Calculations

Edward Reingold

Nachum Dershowitz

lunar_phase function

<dl><dt>date</dt>
<dd>Date vector</dd></dl>

Arguments

Lunar phase at date — lunar_phase

<dl>

<dt>date</dt>
<dd>Date vector</dd>

</dl>

lunar_phase: Lunar phase at date

Description

Usage

Value

Arguments

Examples