lunar_phase: Lunar phase at date
In calcal: Calendrical Calculations
lunar_phase R Documentation
Lunar phase at date
Description
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.
Usage
lunar_phase(date)
Arguments
date
Date vector
Value
A numeric vector of angles in degrees representing the lunar phase at the given dates.
Examples
april2025 <- gregorian_date(2025, 4, 1:30)
lunar_phase(april2025)
calcal documentation built on Feb. 25, 2026, 9:07 a.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
| lunar_phase | R Documentation |
Lunar phase at date
Description
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.
Usage
lunar_phase(date)
Arguments
date |
Date vector |
Value
A numeric vector of angles in degrees representing the lunar phase at the given dates.
Examples
april2025 <- gregorian_date(2025, 4, 1:30)
lunar_phase(april2025)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.