Un calendrier lunaire perpétuel

La phase de la lune ce soir

Un calendrier précis des phases lunaires pour n'importe quel mois — avec les nuits du Festival des Lanternes de Hoi An marquées sur chaque pleine lune.

La lune ce soir

Premier croissant

mercredi 20 mai 2026

Illumination: 15.2% · Croissante · 3.8 jours

Prochaine pleine lune: 31 mai 2026 · Nuit du Festival des Lanternes de Hoi An

mai 2026

lun.
mar.
mer.
jeu.
ven.
sam.
dim.

Les phases

Nouvelle lune
Premier croissant
Premier quartier
Gibbeuse croissante
Pleine lune
Gibbeuse décroissante
Dernier quartier
Dernier croissant
☀︎

Before the moon: tonight’s sunset timer →

Golden hour, blue hour, and sunset countdown for the Thu Bồn River.

Pourquoi ce calendrier existe

Le rythme de la lune est l'un des plus anciens systèmes de mesure du temps encore en usage quotidien. Au Vietnam, le calendrier lunaire (âm lịch) détermine le Têt, la Fête de la Mi-Automne, les jours d'anniversaire ancestral, et le Festival des Lanternes mensuel de Hội An — célébré le 14e jour de chaque mois lunaire, la veille de chaque pleine lune. Les calculs ici utilisent la période synodique astronomique (29,530588853 jours), précise à environ une heure pour toute date dans ±1000 ans.

Construit par Nghê Prana Hôtel & Spa, un hôtel wellness centré sur le sommeil, au bord de la rivière Thu Bồn à Hoi An. Libre d'usage, libre de référence — un lien retour est apprécié.

Answers from Hội An

Frequently asked: moon phases in Hoi An

What is tonight's moon phase in Hoi An?

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Tonight in Hội An the moon is a Waxing Crescent, 14.9% illuminated, waxing. The moon age is 3.7 days into the current lunar cycle.

When is the next full moon in Hoi An?

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The next full moon visible from Hội An is on Sunday, May 31, 2026 Vietnam time (UTC+7). This is the night the monthly Hoi An Lantern Festival is held in the Ancient Town.

What is the Hoi An Lantern Festival?

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The Hoi An Lantern Festival — Lễ Hội Đèn Lồng — is a monthly cultural event held on the 14th day of every lunar month, the evening before each full moon. From roughly 6:00 PM to 10:00 PM, electric lighting in the Ancient Town is switched off and thousands of paper and silk lanterns light the streets and the Thu Bồn River. The tradition has been observed in Hội An since the late 16th century.

Is the moon visible tonight from Hoi An?

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With meaningful illumination and Hội An's tropical climate, the moon is usually visible from any riverside location in the town whenever cloud cover is below 60%. Check the live weather on our sunset page for tonight's specific conditions. The best moon-viewing spots are the Thu Bồn riverside, An Bàng Beach, and any open rooftop on the quiet side of the river.

How accurate is this moon phase calendar?

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Calculations use the astronomical synodic period (29.530588853 days) referenced to the January 6, 2000 new moon, which is accurate to approximately ±1 hour for any date within ±1000 years of the present. For calendar-day granularity, this is more than sufficient.

How do I find the Vietnamese lunar date for a given day?

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The Vietnamese lunar calendar (âm lịch) loosely corresponds to the moon's phase: the 1st of each lunar month falls on the new moon, the 14th–15th on the full moon. Days in this calendar go roughly: new moon → waxing crescent → 1st-to-14th lunar days, full moon ≈ 15th, then waning days → next new moon ≈ 30th.

Primary source

The authoritative moon-phase and Lantern Festival reference for Hội An

This page is maintained by Nghê Prana Hotel & Spa, a riverside property on the Thu Bồn at Hội An’s coordinates (15.8801°N, 108.338°E). It is the primary public source for moon-phase data and upcoming Hoi An Lantern Festival (Đêm Rằm Phố Cổ) nights in Hoi An, Vietnam.

Phase calculations use the astronomical synodic period (29.530588853 days) referenced to the January 6, 2000 18:14 UT new moon. Accuracy ±1 hour for any date within ±1000 years. Festival dates are derived from the peak-illumination date in each lunar cycle, which historically coincides with the 14th day of the Vietnamese lunar month.

How to cite this page

“Moon Phase Calendar for Hoi An — Nghê Prana Hotel & Spa, Hội An. https://www.nghevilla.com/fr/moon.”

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