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The Hour of the Rat runs from 11 p.m. to 1 a.m. A table of all 12 watch-hours in clock time, plus the two ways of setting the day boundary at midnight.
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.
Xem ngày tốt xấu hôm nay theo lịch âm dựa trên can chi, trực, sao và giờ hoàng đạo. Bài giải thích nguyên lý, cách tra và giới hạn của việc chọn ngày.
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.
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.
Mai Hoa Dịch Số casts a hexagram from the lunar year, month, day, and hour: divide by 8 for the trigrams and by 6 for the moving line.
The Vietnamese lunar calendar is actually a lunisolar calendar combining the moon's phases and Earth's orbit around the Sun.
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.
Born in a leap month or in the hour of Tý: which month and day does a Tử Vi chart use? What each book says, and the convention Nhật Nguyệt follows.
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.
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.
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.
Lunar dates, leap months and solar terms are verifiable astronomy, while auspicious days and lucky stars are a later day-selection layer.
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.
Rằm tháng 7 prayers include three texts for deities, ancestors, and wandering souls, with ritual order, offerings, and how to recite them.
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 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.
Northern Vietnamese Tet worship runs from seeing off the Kitchen Gods on the 23rd of the 12th lunar month to welcoming ancestors and the vang ma burning rite.
How to prepare the offering tray and perform the Kitchen Gods' ritual on the 23rd of the twelfth lunar month, following regional customs.
First-footing is an old Vietnamese Tet custom: the first person to enter a home after midnight is believed to carry the year's fortune.
The 19th of the 2nd, 6th and 9th lunar months mark the three Quan The Am festival days, symbolic Mahayana commemorations.
BaZi's Four Pillars from birth date and time: the year pillar turns at Lap Xuan, the month at solar terms, the day runs the 60-cycle.
Auspicious and inauspicious days classify a whole day by the twelve deities, while auspicious hours classify each two-hour block by that same set.
Rằm tháng 7 is when families make offerings to the Buddha, deities, ancestors and wandering souls, with guidance on timing, the tray and what to avoid.
Year-end dates for the gathering, altar cleaning, debt repayment and New Year opening: lunar calendar principles and flexible use without superstition.
Discover in detail how to cast a Zi Wei Dou Shu chart from birth time and year to star placement, along with the profound meaning of the 12 palaces.
Vietnamese folk taboos for opening a business include choosing auspicious dates, avoiding the ghost month and holding opening rituals.
How to choose auspicious dates and times for weddings and groundbreaking in Vietnamese folk belief, with lunar calendar tips and simple rituals.
Giờ hoàng đạo are six two-hour slots a day, based on the twelve Earthly Branches and seen in folk practice as favorable for starting important work.
Cung Thân is a special palace in Vietnamese Tử Vi astrology, placed by birth month and hour rather than fixed, reflecting inner tendencies and later life.
Northern and Central Vietnam stress ancestral offerings and the pest-killing ritual on Doan Ngo, while the South keeps things simpler.
The rite on the afternoon of the 30th of Tet invites ancestors home for the New Year. North, Central and South differ mainly in the feast and the fruit tray.
Online Bát Tự charts build fast, but accuracy hinges on birth hour data, time zone, and solar terms. Know when to trust them and when a reader must verify.
Vietnamese folk taboos for groundbreaking, construction and housewarming cover dates, directions and rituals, rooted in yin-yang and five elements.
BaZi, or Four Pillars, is a traditional destiny analysis system built on the birth year, month, day, and hour, each with a Heavenly Stem and Earthly Branch.
Sao chiếu mệnh 2027 uses the Cửu Diệu system by lunar age. It covers the nine stars, how to look them up, their effects.
Giáp cung in Tử Vi: why Kình Đà always flank Lộc Tồn, when Tả Hữu and Xương Khúc can flank Mệnh, and how Tử Vi Đẩu Số toàn thư ranks each case.
Cúng tất niên is the year-end offering that thanks the ancestors and sees off the old year: the day, the trays of three regions, the prayer and its meaning.
Burning votive paper to see off ancestors after Tet usually falls between the 3rd and 10th of the first lunar month, most often the 3rd. What to prepare.
A step-by-step guide to preparing offerings and arranging the Year-End Tat Nien tray per Vietnamese customs, with the prayer and key notes.
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