new moon

US /nuː muːn/
UK /nuː muːn/
"new moon" picture
1.

lua nova

the 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.

:
The sky was dark, signaling the arrival of the new moon.
O céu estava escuro, sinalizando a chegada da lua nova.
Many cultures celebrate festivals during the new moon.
Muitas culturas celebram festivais durante a lua nova.