lunation

Moon's full orbit

A lunation is the interval between successive new moons—approximately 29.5 days.

The term appears in astronomical and astrological contexts where precision about lunar cycles matters: The eclipse will occur during the next lunation.

Also called a synodic month.

phases

illumination

Provision of light

earthshine · terminator · moonrise · moonset

calendar

Ramadan

Ninth Islamic month

ecclesiastical · lunisolar · festivals · observance

astronomy

synodic

Relating to orbital alignments

nodal · conjunction · opposition · elongation · celestial · tropical · ecliptic · ephemeris · libration · regression

eclipse

syzygy

Trilinear celestial arrangement

occultation

tides

ebb

Gradual retreat seaward

  • flowUnbroken forward movement
  • syzygyTrilinear celestial arrangement
  • coastalOf the shoreline

ocean · estuary

Categories
Opposites
timekeeping system

lunationcalendar month

Named yearly division

solar year · sidereal month · solar day

temporal duration

lunationmoment

Brief period of time

instant · eon · Metonic cycle · epoch · aeon

celestial reference

lunationsolar year

One complete Earth orbit

solar cycle · solstice · equinox

Phrases
Family

lunatic, lunatics

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Rated G