New moon biography

First lunar phase, the definition varies

For other uses, see New moon (disambiguation).

In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude.

New Moon | Facts, Information, History & Definition, carousel

At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar eclipse.

The original meaning of the term 'new moon', which is still sometimes used in calendrical, non-astronomical contexts, is the first visible crescent of the Moon after conjunction with the Sun.^[3] This thin waxing crescent is briefly and faintly visible as the Moon gets lower in the western sky after sunset.

The precise time and even the date of the appearance of the new moon by this definition will be influenced by the geographical location of the observer. The first crescent marks the beginning of the month in the Islamic calendar^[4] and in some lunisolar calendars such as the Hebrew calendar. In the Chinese calendar, new moon biography4 XAC