Definition of new moon in US English:

new moon


  • 1The phase of the moon when it is in conjunction with the sun and invisible from earth, or shortly thereafter when it appears as a slender crescent.

    • ‘Every month, the first crescent of the new moon is observed, defining the beginning of the new month, whilst each year Ramadan commences 11 days earlier.’
    • ‘Once the new moon appears, the heir climbs onto the roof of his house and proclaims the power names of the deceased.’
    • ‘The time of the waning moon leading up to a new moon is considered to be the optimum for detoxifying and letting go of what the body no longer needs.’
    • ‘We all speculate that we want to go at a time when the moon is a new moon.’
    • ‘A solar eclipse can only occur at conjunction, and the sighting of the new moon is typically not until 30 hours later.’
    1. 1.1 The time when the new moon occurs.
      • ‘The park also hosts astronomy programs around new moons.’
      • ‘Isn't it ironic that you guys performed your story - which revolves around a new moon - on the night of the new moon?’
      • ‘From new moon to new moon, and from sabbath to sabbath, all flesh shall come to worship before me, says the LORD.’
      • ‘The members organise turtle walks everyday and during full moon and new moon days, intensify the patrols.’
      • ‘Tokyo Mosque confirmed the new moon was Thursday by inquiring with the National Astronomical Observatory of Japan, and marked the beginning of Ramadan on Friday.’


new moon

/ˌn(j)u ˈmun//ˌn(y)o͞o ˈmo͞on/