FullMoon

FullMoon[]

gives the date of the next full moon.

FullMoon[date]

gives the date of the first full moon after the given date.

Details and Options

Examples

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Basic Examples  (2)

Find the date of the next full moon:

Find the date of the first full moon of the year 2000:

Scope  (3)

Find the next full moon:

Find the next full moon after a given date:

Find full moons very far in the past:

Find full moons very far in the future:

Options  (6)

CalendarType  (1)

FullMoon returns dates in the Gregorian calendar by default:

Return dates in the Jewish calendar:

DateFormat  (1)

FullMoon returns dates in a long format by default:

Specify your own format:

DateGranularity  (1)

FullMoon returns dates with granularity "Instant" by default:

Return dates with "Day" granularity:

TimeDirection  (1)

FullMoon finds the next full moon by default:

Find the previous full moon:

TimeSystem  (1)

FullMoon returns dates in universal time by default:

Return dates in "TT" time instead:

TimeZone  (1)

FullMoon returns dates in your local time zone by default:

Return dates in the GMT time zone:

Properties & Relations  (6)

At the instant of full moon, the Moon and the Sun have opposite ecliptic longitudes:

Find the next 20 full moons:

The distance between full moons varies between 29.26 and 29.80 days:

The average synodic month is about 29.53 days:

FullMoon returns the date of the next full moon:

Use NewMoon to find the date of the next new moon, which may be before or after that full moon:

Use MoonPhaseDate to find the date of any phase of the Moon:

MoonPhase computes the phase fraction of illumination, which is close to 1 for a full moon:

Full moons correspond to semi-integer lunation numbers:

Therefore, an alternative way of finding full moons is calling FromLunationNumber with semi-integers:

Every lunar eclipse happens within a few minutes of a full moon:

Only some of the 12 or 13 full moons in a year are close to lunar eclipses:

Wolfram Research (2023), FullMoon, Wolfram Language function, https://reference.wolfram.com/language/ref/FullMoon.html.

Text

Wolfram Research (2023), FullMoon, Wolfram Language function, https://reference.wolfram.com/language/ref/FullMoon.html.

CMS

Wolfram Language. 2023. "FullMoon." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/FullMoon.html.

APA

Wolfram Language. (2023). FullMoon. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/FullMoon.html

BibTeX

@misc{reference.wolfram_2024_fullmoon, author="Wolfram Research", title="{FullMoon}", year="2023", howpublished="\url{https://reference.wolfram.com/language/ref/FullMoon.html}", note=[Accessed: 22-May-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_fullmoon, organization={Wolfram Research}, title={FullMoon}, year={2023}, url={https://reference.wolfram.com/language/ref/FullMoon.html}, note=[Accessed: 22-May-2024 ]}