☾

☾ U+263E, ☾ LAST QUARTER MOON ← ☽ [U+263D] Miscellaneous Symbols ☿ → [U+263F]

Translingual

Use of ☽ for Monday, between the sun and moon hands on the calendar dial of this 16th-century clock-calendar.

The 1833 US Nautical Almanac uses the crescent symbols both for the quarter moon phases (top left) and as generic symbols for the moon (right).

Alternative forms

• ☽ (for all senses but [4]), rarely 🌙︎

Etymology

The lunar crescent is an ancient symbol for the moon. Its orientation varies between increscent and decrescent.

Symbol

☾

1. Night; nighttime; evening; twilight; darkness.
2. Sleep; rest; bedtime.
3. (astronomy, astrology) The Moon.
4. (astronomy, rare) A natural satellite.
5. (astronomy, astrology, rare) The last quarter of the Moon.

   Synonym: 🌗

6. Synonym of ☪ (“Islam”).
7. (figurative) Menstruation.
8. (figurative) Change; transformation; transition.
9. (graphical user interface, signage) Do not disturb; quiet.
10. (graphical user interface, computing) Sleep mode; off.
11. (graphical user interface) Night mode: a colour scheme with light text on a dark background.
12. (alchemy, archaic) Silver.

    Synonym: 🜛

13. (rare) Monday

    Refers to the Latin phrase dies Lunae, which literally means "Moon's day".

Derived terms

• (astronomy): M_☾ – lunar mass (as a unit of measurement for astronomical bodies; more commonly M_L).

R_☾ – lunar radius (as a unit of measurement; more commonly R_L).

Gallery

• 
  Late Classical and Medieval form
• 
  A ms form from ca. 1750
• 
  A decorative variant in the Netherlands
• 
  As a symbol for silver
• 
  An abstract variant
• 
  Symbol on a silver background

Related terms

• (lunar eclipse)
• 🌕︎, 🌑︎
• ⚸

English

Alternative forms

• ☽

Noun

☾ (uncountable)

1. (alchemy) Alternative spelling of silver
   • 1650, Paracelsus, “Of the Nature of Things”, in John French, transl., A New Light of Alchymie, page 74:

     Firſt of all bring Copper with ☿ ſublimate, and fixt Arſenick to bee white, yea as white as ☾, then beat it ſmall.