The Moon sits between us and the Sun, nearly invisible
On the evening of February 27, 2025, the Moon completes its monthly passage through darkness, settling into the New phase with only 1 percent of its face catching sunlight. This near-invisibility is not an absence but a beginning — the quiet pivot point from which the lunar cycle renews itself. For millennia, human calendars, tides, and rituals have been anchored to this rhythm, a celestial clock that ticks every 29.5 days with quiet, indifferent precision.
- The Moon has vanished from the night sky — at 1% visibility, it rises and sets with the Sun, swallowed entirely by daylight.
- February's full lunar arc is now complete: Crescent on the 5th, Full Moon on the 12th, Waning on the 20th, and New Moon tonight at 9:46 p.m.
- Beneath the four familiar phases lies a more intricate story — eight distinct lunar positions, including Waxing Gibbous and Last Quarter, map the Moon's true journey around Earth.
- The cycle is already turning: in seven days, a thin silver Crescent will reappear in the western sky at dusk, and the Moon's slow return to prominence begins again.
Na noite de 27 de fevereiro de 2025, a Lua entra em sua fase Nova — o momento em que nosso vizinho celeste mais próximo quase desaparece do céu. Apenas 1% da superfície lunar capta a luz do Sol a partir da Terra, com a Lua posicionada entre nós e o astro-rei. Para quem acompanha o calendário lunar, começa agora uma espera de sete dias até o surgimento da fase Crescente, quando a Lua voltará a se erguer visivelmente no céu noturno.
Fevereiro viveu um ciclo lunar completo. No dia 5, a Lua Crescente marcou o fim da fase Nova de janeiro. No dia 12, a Lua Cheia iluminou inteiramente a noite. No dia 20, o ciclo virou para a escuridão com o início da fase Minguante. E agora, às 21h46 do dia 27, a Lua Nova ocupa seu lugar, completando as quatro estações lunares do mês.
Esse ritmo é o que os astrônomos chamam de lunação — um ciclo médio de 29,5 dias que vai da Lua Nova à fase Minguante. Mas o percurso é mais rico do que quatro fases sugerem: entre a Nova e a Cheia surgem a Crescente e a Gibosa Crescente; entre a Cheia e a Minguante aparecem a Gibosa Minguante e o Quarto Minguante. São oito posições distintas que mapeiam a jornada completa da Lua ao redor da Terra.
Os dados que registram as fases lunares de fevereiro têm origem no Instituto Nacional de Meteorologia do Brasil. Esta noite, a Lua Nova será praticamente impossível de ver. Mas o ciclo já está em movimento — e em uma semana, a fina curva prateada da Crescente voltará a aparecer no horizonte ocidental ao entardecer.
On the evening of February 27, 2025, the Moon enters its New phase—a moment when our nearest celestial neighbor becomes nearly invisible in the sky. At this stage, just 1 percent of the lunar surface catches sunlight from our vantage point on Earth, and the Moon sits between us and the Sun. For those tracking the lunar calendar, the wait begins now: seven days separate this New Moon from the arrival of the Crescent phase, when the Moon will begin its visible climb back into the night sky.
February's lunar journey has been a complete one. The month opened on the 5th with the Crescent Moon arriving at 5:03 in the morning, marking the end of January's New phase. A week later, on the 12th, the Full Moon rose at 10:54, its face entirely illuminated and visible throughout the night. By the 20th, the cycle had turned toward darkness again—the Waning phase commenced at 2:34 in the afternoon. Now, on the 27th at 9:46 in the evening, the New Moon takes its place, completing the month's four major lunar stations.
This rhythm follows what astronomers call a lunation, or lunar cycle. On average, this celestial clock ticks every 29.5 days, a span of time that begins with the New Moon and concludes with the Waning phase. During those roughly four weeks, the Moon passes through four primary phases, each lasting approximately seven days. But the cycle is more nuanced than that. Between the New and Full Moons lies the Crescent phase and the Waxing Gibbous—two intermediate stages where the illuminated portion grows. Between the Full and Waning Moons come the Waning Gibbous and the Last Quarter, where the light recedes. These eight distinct positions, not merely four, map the Moon's complete journey around Earth.
The data tracking February's lunar phases comes from Brazil's National Institute of Meteorology, an official source for astronomical observations. For anyone watching the sky tonight, the New Moon will be nearly impossible to see—that 1 percent visibility means the Moon rises and sets with the Sun, lost in daylight. But the cycle is already in motion. In a week, the thin silver curve of the Crescent will reappear in the western sky at dusk, and the Moon's slow climb back into prominence will begin again.
Citas Notables
A lunation or lunar cycle averages 29.5 days and includes four main phases—new, crescent, full, and waning—each lasting roughly seven days.— National Institute of Meteorology (Inmet)
La Conversación del Hearth Otra perspectiva de la historia
Why does the Moon disappear entirely during the New phase? Doesn't it still exist?
It's still there, absolutely. The New Moon isn't the Moon vanishing—it's the Moon positioned directly between Earth and the Sun. The sunlit side faces away from us, so we see nothing. It's like standing behind someone holding a lamp; you can't see their face.
And this happens on a schedule? Every month, like clockwork?
Nearly. The lunar cycle averages 29.5 days, which is why it doesn't align perfectly with our calendar months. February gets a complete cycle—New, Crescent, Full, Waning—but other months might catch only three phases, or have two New Moons.
So the seven days until the next Crescent phase—that's when we'll actually see the Moon again?
Yes. The Crescent is the first visible phase after New. It's a thin sliver, but it marks the Moon's return. From there, it grows fuller each night until the Full Moon arrives about a week after that.
Does the cycle ever change? Could it be 28 days one month and 31 the next?
The average is 29.5 days, but individual cycles do vary slightly. The Moon's orbit isn't perfectly circular, so some lunations run a bit shorter or longer. But the variation is small—nothing dramatic.
What about those other phases you mentioned—the Gibbous ones? Are those important to track?
They're part of the full picture. If you're watching the Moon night after night, you'll see eight distinct positions, not just four. The Gibbous phases are when the Moon is nearly full but not quite, or nearly gone but not quite. They're the in-between moments.