NewMoon

NewMoon[]

gives the date of the next new moon.

NewMoon[date]

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

Details and Options

Examples

open allclose all

Basic Examples  (2)

Find the date of the next new moon:

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

Scope  (3)

Find the next new moon:

Find the next new moon after a given date:

Find new moons very far in the past:

Find new moons very far in the future:

Options  (6)

CalendarType  (1)

NewMoon returns dates in the Gregorian calendar by default:

Return dates in the Jewish calendar:

DateFormat  (1)

NewMoon returns dates in a long format by default:

Specify your own format:

DateGranularity  (1)

NewMoon returns dates with granularity "Instant" by default:

Return dates with "Day" granularity:

TimeDirection  (1)

NewMoon finds the next new moon by default:

Find the previous new moon:

TimeSystem  (1)

NewMoon returns dates in universal time by default:

Return dates in "TT" time instead:

TimeZone  (1)

NewMoon returns dates in your local time zone by default:

Return dates in the GMT time zone:

Applications  (1)

The first crescent soon after a new moon marks the beginning of a month in lunar or lunisolar calendars like the Jewish calendar. Therefore, new moons usually fall during the last days of a month:

Properties & Relations  (6)

At the instant of new moon, the Moon and the Sun have the same ecliptic longitude:

Find the next 20 new moons:

The distance between new moons is called a synodic month, and varies between 29.26 and 29.80 days:

The average synodic month is about 29.53 days:

NewMoon returns the date of the next new moon:

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

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

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

New moons correspond to integer lunation numbers:

Therefore, an alternative way of finding new moons is calling FromLunationNumber with integers:

Every solar eclipse happens within a few minutes of a new moon:

Only 2 to 5 of the 12 or 13 new moons in a year are close to solar eclipses:

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

Text

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

CMS

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

APA

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

BibTeX

@misc{reference.wolfram_2024_newmoon, author="Wolfram Research", title="{NewMoon}", year="2023", howpublished="\url{https://reference.wolfram.com/language/ref/NewMoon.html}", note=[Accessed: 29-May-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_newmoon, organization={Wolfram Research}, title={NewMoon}, year={2023}, url={https://reference.wolfram.com/language/ref/NewMoon.html}, note=[Accessed: 29-May-2024 ]}