Lunar-solar converter
Convert lunar and solar dates both ways, with leap months and solar terms.
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What is Vietnamese lunar age?Vietnamese lunar calendarLunar-solar converterThe Vietnamese Lunar Calendar Is Actually a Lunisolar Calendar: Why the Shortened Name 'Lunar Calendar' Causes MisunderstandingThe Lunar Leap Month: Why It Exists, How It Is Calculated, and Why One Lunar Day in a Leap Year Corresponds to Two Solar DaysGhost Month, the 7th Lunar Month: Folk Taboos and Buddhist Perspectives
Calendar and astronomy
StartVietnamese lunar calendar
Today's lunar date, what day it is and its good hours, or any other day.
New Year first-footer check
Find a well-matched first visitor for Tết, with birth years and reasons.
House-building year check
Whether a building year hits Kim Lâu, Hoang Ốc or Tam Tai.
Sun and Moon in Astrology: Reading the Sun Sign and Moon Sign Together
Alan Leo (1910) gave the Sun sign to the individual and the Moon sign to the personality, reading 144 pairs together. We read his text and note its limits.
Converting Lunar Dates to Solar Dates: What the Calculation Is Based On, and Why It Is Not a Fixed Addition and Subtraction Table
Lunar to solar conversion uses no fixed addition table. It relies on the new moon point, major solar terms and legal time zones, so it differs year by year.
What Are the Heavenly Stem Five Combinations? The Five Pairs, Their Transformed Elements, and When Transformation Is Real
The five Heavenly Stem combinations are Giáp Kỷ, Ất Canh, Bính Tân, Đinh Nhâm and Mậu Quý, plus each pair's transformed element.
The Eyes (Giám Sát Quan) in the Five Senses: Eastern Physiognomy
In Eastern physiognomy the eyes are the Giám Sát Quan, and spirit matters more than shape. Bright, clear eyes point to a clear mind and good fortune.
Why two calendars give different lunar dates for the same solar day, and where time zones come in
Two calendars can give different lunar dates for the same solar day because they use different legal time zones, such as Vietnam at UTC+7 and China at UTC+8.
What is Vietnamese lunar age?
Tuổi mụ is the Vietnamese lunar way of counting age: current year minus birth year, plus one, and folk calculations use this number.
The Vietnamese Lunar Calendar Is Actually a Lunisolar Calendar: Why the Shortened Name 'Lunar Calendar' Causes Misunderstanding
The Vietnamese lunar calendar is actually a lunisolar calendar combining the moon's phases and Earth's orbit around the Sun.
The Lunar Leap Month: Why It Exists, How It Is Calculated, and Why One Lunar Day in a Leap Year Corresponds to Two Solar Days
How a lunar leap month is determined, why leap years exist, and why one lunar day in a leap year corresponds to two solar days.
Ghost Month, the 7th Lunar Month: Folk Taboos and Buddhist Perspectives
Ghost Month in the 7th lunar month: its origins, common folk taboos, and the Buddhist view of Vu Lan as a season of gratitude and filial piety.
Comparing Lunar New Year Customs Across Northern, Central, and Southern Vietnam
Tet customs in Northern, Central, and Southern Vietnam share roots but differ in dishes and rituals, from banh chung to bitter melon soup.
Vietnamese Lunar New Year Customs and the Meaning Behind Each Ritual
Vietnamese Lunar New Year customs: the Kitchen Gods send-off, New Year's Eve rites, first-footing, and lucky money, with the meaning behind each.
Which Buddha and Bodhisattva memorial days are there in the lunar calendar?
Lunar memorial days for Shakyamuni Buddha, Guanyin, Ksitigarbha, Manjushri, Samantabhadra and other Bodhisattvas, with origins and practice notes.
Hue Tet Feast: Echoes of Royal Cuisine in the Lunar New Year Meal
The Hue Tet feast blends royal essence with folk culture, shaped by a philosophy of frugality, elegance, harmony and transformation.
What Makes the 2027 Lunar Calendar Special and How to Look Up Dates Correctly
Lunar calendar 2027: year of Đinh Mùi, Tết on Saturday 6 February 2027, no leap month. Key dates, solar terms, and how to look up dates and convert Can Chi.
What's on in Vietnam in October 2026? Festivals, lunar dates and where to go
Vietnam's October 2026 festival calendar: Côn Sơn Kiếp Bạc, Lam Kinh, Katê, Sene Dolta, Hanoi Autumn Festival, Keo Pagoda, plus lunar dates.
What's on in Vietnam in November 2026? Festivals, lunar dates and where to go
November 2026 (23rd of 9th lunar month to 22nd of 10th) brings the Thái Nguyên Tea Festival, Gia Lai Gong Festival, Ok Om Bok, Kathina and more.
How Liu Yao Predicts Timing: Static Lines Await the Day of Rule or Clash, Moving Lines Await the Day of Combination or Rule, Excessive Vigor Awaits the Tomb or Clash, Void in the Cycle Awaits Leaving the Cycle or a Clash, and Month Breach Awaits the Next Month or a Combination
Liu Yao timing rules from Zeng Shan Buo Yi chapter 26D: how static lines, moving lines, excessive vigor and void in the cycle each find their day.
Tết Đoan Ngọ: The 5th Day of the 5th Lunar Month "Killing Summer Bugs" Festival
Tết Đoan Ngọ falls at noon on the 5th day of the 5th lunar month, when folk belief says yang energy peaks. The bug-killing custom and ancestor worship.
Where Ba Tu Reads Marriage From: Spouse Star, Spouse Palace at the Day Branch, and Its Combination and Clash Relations with Major and Annual Luck
Ba Tu reads marriage through the spouse star and the spouse palace at the day branch, plus how that branch combines or clashes with major and annual luck.
How Does Lunar New Year for the Ethnic Chinese in Chợ Lớn Differ from Vietnamese Tet?
How Lunar New Year among the Hoa of Chợ Lớn differs from Vietnamese Tết: Kitchen God send-off, offerings, bánh tổ, assembly halls, visiting order.
Folk Taboos When Making Offerings on the Full Moon and First Day of the Lunar Month
Folk taboos for offerings on the Full Moon and the first day of the lunar month, from choosing fruit and flowers to the incense burner and a reverent mindset.
How to Arrange the Worship Tray for Tết Đoan Ngọ (5th day of 5th lunar month)
Tết Đoan Ngọ worship tray guide: offerings like fermented rice and tro cakes, step-by-step arrangement following regional customs, plus safety notes.
What Is Cửu Độc in the Fifth Lunar Month, What Is Avoided, and Where Did It Come From?
Cửu Độc: nine days of the fifth lunar month (5-7, 15-17, 25-27). What the Kinh Sở tuế thời ký says, what is avoided, and solar dates for 2026 to 2030.
Ông Công Ông Táo: The Kitchen Gods' Journey to Heaven on the 23rd of the 12th Lunar Month
The ông Công ông Táo ceremony on the 23rd of the 12th lunar month sends the three Kitchen Gods to heaven to report on the family's deeds to the Jade Emperor.
Three Offering Trays on the 15th Day of the 7th Lunar Month: Offerings to Buddha, Ancestors, and Wandering Souls
The 15th day of the 7th lunar month has three offering trays: a vegetarian tray for Buddha, a full tray for ancestors, and one for wandering souls.
The 15th Day of the Tenth Lunar Month - Tết Hạ Nguyên: The Rice Harvest Thanksgiving Festival Few Still Remember
Tết Hạ Nguyên on the 15th day of the tenth lunar month is one of Vietnam's four major traditional festivals, a time to thank heaven and earth.
What to Offer at the Rằm of the Twelfth Lunar Month and How It Differs from an Ordinary Rằm
Rằm tháng Chạp, the year's last full moon, brings simple offerings to Thổ công and ancestors for thanks and peace, in a tất niên spirit.
Why Vietnamese worship on the first day of the lunar month: the meaning of the Sóc day in folk belief
The Sóc day opens the lunar month. Vietnamese worship ancestors and deities for a smooth month, a custom rooted in yin-yang philosophy.
Amitābha Buddha's Day on the 17th of the 11th Lunar Month: Why This Date and How Vietnamese Pagodas Observe It
Amitābha Buddha's Day, 17th of the 11th lunar month (25 Dec 2026): why this date was chosen, what the sutra says, and how Vietnamese pagodas observe it.
Làm Chay Festival in Tầm Vu, Tây Ninh: How Do the 15th and 16th of the First Lunar Month Unfold?
The Làm Chay Festival in Tầm Vu, Tây Ninh runs on the 15th and 16th of the first lunar month, with rituals welcoming Ong Tieu and more.
The Twenty-Four Solar Terms: Why the Solar Calendar Lives Inside the Lunar Almanac, and Why It Ties to Farming
The 24 solar terms are seasonal markers tied to Earth's orbit around the Sun, used as a farming guide in the lunar almanac.
First-day Tet travel for the 2027 Lunar New Year: how to choose the hour and direction, and where sources disagree
First-day Tet travel for 2027: how to choose the hour and direction, prepare offerings, and follow the route, plus why sources disagree on the calculations.
Prayers for the 15th Day of the 7th Lunar Month: What the Three Texts Cover, Ritual Order, and What to Know
Rằm tháng 7 prayers include three texts for deities, ancestors, and wandering souls, with ritual order, offerings, and how to recite them.
Auspicious days in December 2026 by the lunar calendar: table of 31 days, hoàng đạo and hắc đạo days and trực
Auspicious days in December 2026: all 31 days with lunar dates, can chi, day deities, hoàng đạo and hắc đạo days and trực, and why almanacs differ.
Banh Troi and Banh Chay: The Culinary Soul of Cold Foods Festival on the 3rd Day of the 3rd Lunar Month
Banh Troi and Banh Chay mark Vietnam's Cold Foods Festival on the 3rd day of the 3rd lunar month, a localized day of honoring ancestors with these cakes.
Vía Ngọc Hoàng on the 9th of the First Lunar Month and Worship at Chùa Ngọc Hoàng in Ho Chi Minh City
Vía Ngọc Hoàng falls on the 9th day of the first lunar month. How people worship at Chùa Ngọc Hoàng in Ho Chi Minh City, and the temple's history.
How Is the Tây Thiên Festival (Full Moon of the Second Lunar Month) Held in Memory of National Mother Lăng Thị Tiêu?
The Tây Thiên Festival runs from the 15th to the 17th of the second lunar month in Đại Đình Commune, Phú Thọ Province, honoring National Mother Lăng Thị Tiêu.
Worshipping the God of Wealth on the 10th Day of the First Lunar Month: Origins and How to Prepare the Offering Tray
The 10th day of the first lunar month is when many Vietnamese, especially in the South, worship the God of Wealth to pray for a good year.
Choosing an opening day for the Đinh Mùi 2027 Lunar New Year: where the custom comes from and what people weigh up
Where the custom of a Lunar New Year opening day comes from, and what people weigh up when picking a date and preparing offerings.