DayGregorian calendar:30-04-1971
DayLunar calendar:6-4-1971
Day of the week:Friday
DayẤt DậumonthYear of the SnakeyearTan Hoi
HourZodiac:Rat (23-1), Tiger (3-5), Rabbit (5-7), Horse (11-13), Goat (13-15), Rooster (17-19)
| Gregorian calendar | Lunar calendar |
|---|---|
| April 1971 | April 1971 (Year of the Pig) |
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30
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6
Day:Ất Dậu, Month:Year of the Snake Solar terms:Co Vu |
| Auspicious Hours (Good Hours) | |
| Rat (23-1), Tiger (3-5), Rabbit (5-7), Horse (11-13), Goat (13-15), Rooster (17-19) | |
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Rat (23:00-23:59); Tiger (03:00-04:59); Rabbit (05:00-06:59); Horse (11:00-12:59); Goat (13:00-14:59); Rooster (17:00-18:59) |
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Ox (01:00-02:59); Dragon (07:00-08:59); Snake (09:00-10:59); Monkey (15:00-16:59); Dog (19:00-20:59); Pig (21:00-22:59) |
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Avoid any days considered inauspicious according to the lunar calendar, such as days of lunar eclipse, days of the Three Nymphs, and days of Yang Gong's prohibitions. |
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Day:Ất Dậu- This means that the Earth element clashes with the Wood element (Metal clashes with Wood), making it an inauspicious day (a day of punishment). - Lunar energy: The day is associated with the element of Water, which is unfavorable for those born in the years of Kỷ Mão and Đinh Mão. - This day belongs to the Water element, which clashes with the Fire element, except for the following birth years: Kỷ Sửu, Đinh Dậu, and Kỷ Mùi, which belong to the Fire element and are not affected by Water. - The Rooster day is in harmonious combination with the Dragon, and in triple harmony with the Ox and Snake, forming a Metal element. It clashes with the Rabbit, forms a harmful combination with the Rooster, damages the Dog, destroys the Rat, and completely negates the Tiger. |
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ButB"It is not advisable to sow seeds and plant trees because the trees will not grow well." ButRooster"It is inadvisable to hold gatherings with guests, as it may harm the host." |
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Day:Tốc Hỷ- That is, a moderately auspicious day. The morning is good, but the afternoon is bad, so you need to act quickly. Fleeting joy should be used to plan important matters, which will lead to quicker success. It's best to carry out tasks in the morning, the earlier the better. "Tốc Hỷ is a reunion of friends." |
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: Long : Lau Kim Cau - Luu Long: Good (Auspicious Star) Dog star, governs Friday. Starting any undertaking on this day is auspicious. It is especially good for erecting pillars, weddings, opening doors, building gates, constructing upper floors, making scaffolding, tailoring clothes, draining water, or irrigation projects. Especially for laying bedding, making beds, and traveling by water. : - Golden Dog (the dog): Venus, a good star. Abundant wealth, high academic achievements, very good for marriage and construction. - The Golden Dog Star on the Rooster Day signifies great auspiciousness in undertaking projects. On the Snake Day, it is called Entering the Kitchen, so it is very good. On the Ox Day, it is also good. - If the last day of the month coincides with the "Sao Lau" (Star of Longevity) period, it is considered inauspicious for: making wine, entering administrative work, establishing pottery or dyeing kilns, inheriting businesses, and especially for traveling by boat. "The ancient star-shaped pillar rises, the gate opens." |
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Truc Dinh What should be doneGroundbreaking, leveling, filling, building or repairing a kitchen, installing machinery, enrolling in school, performing a marriage proposal ceremony, submitting petitions, repairing or building boats, launching boats, starting the construction of a furnace. Buying and raising more livestock. |
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Good star: - Man Duc Tinh Star: Auspicious for all matters - Moon Star: Good for all matters - Star of Weakness (Heavenly Noble): Auspicious for all matters, especially marriage. - Japanese Star, German Era: Everything goes well Bad star: - Hell Star and Fire Star: Bad for all matters, especially bad for roofing. - The Great Loss Star (Death energy, official wealth): Bad for all matters. - Five Ghosts Star: Avoid traveling. - Black Tortoise Star (Chu Que) inauspicious day: Avoid moving into a new house or opening a business. - The Crying Ghost Star: Unfavorable for rituals and funerals. |
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DayGood Trade:A smooth journey, meeting influential people who approve, work going as desired, and returning home in glory. |
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Departing in the Northwest direction to welcome the 'God of Joy'. Departing in the Southeast direction to welcome the 'God of Wealth'. Avoid traveling in the Northwest direction as you may encounter the Crane God (bad omen). |
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From 11:00 AM to 1:00 PM (Noon) and from 11:00 PM to 1:00 AM (Midnight)Everything will go well; it's best to seek wealth in the southwest direction – your home will be peaceful. Those who travel will be safe. From 13:00-15:00 (Goat) and from 01:00-03:00 (Ox)Plans are difficult to succeed; seeking fortune and wealth is uncertain. Lawsuits should best be postponed. No news yet from those who have traveled far. Lost money or belongings, if found in the South, can be recovered quickly. Beware of arguments, conflicts, or petty gossip. Work will be slow and protracted, but it's best to be thorough in everything you do. From 3 PM to 5 PM (Monkey) and from 3 AM to 5 AM (Tiger)Good news is coming soon. If you are seeking fortune and wealth, head south. Business trips and meetings will bring good luck. Those who travel will receive news. Livestock farming will be prosperous. From 5 PM to 7 PM (Rooster) and from 5 AM to 7 AM (Rabbit)Arguments, quarrels, and disputes should be avoided; caution is advised. It is best to postpone departures. Guard against curses and avoid contracting illnesses. In general, activities such as meetings, debates, and official business should be avoided during this time. If it is absolutely necessary to engage in such activities during this time, it is advisable to keep quiet to minimize the risk of fights or arguments. From 7 PM to 9 PM (Tuất) and from 7 AM to 9 AM (Thìn)This is a very auspicious time; traveling often brings good fortune. Business and trade will be profitable. Travelers will soon return home. Women will receive good news. Everything in the household will be harmonious. If there is illness, prayers will bring recovery, and the whole family will be healthy. From 9 PM to 11 PM (Pig) and from 9 AM to 11 AM (Snake)Seeking wealth is not beneficial, or often leads to disappointment. Leaving home may result in loss or misfortune; important matters may be thwarted; encountering evil spirits requires offerings and rituals for peace. |
April 30, 1971 corresponds to the 6th day of the 4th lunar month. It was the day of Ất Dậu, the month of Quý Tỵ, and the year of Tân Hợi.
April 30, 1971 was a Friday.
April 30th is the Day of Liberation of Southern Vietnam and National Reunification.
The 6th day of the 4th lunar month is an inauspicious day.
The 6th day of the 4th lunar month is the dayHao Thuong.
Origin of the lunar calendar
The lunar calendar, also known as the perpetual calendar, is a type of calendar based on the cycles of the moon. It is a unique calendar. In fact, the lunar calendar is the Islamic calendar, in which each year contains exactly 12 lunar months. The characteristic of a purely lunar calendar, as in the case of the Islamic calendar, is that it is a continuous cycle of the full moon and is not tied to seasons. Therefore, the Islamic lunar year is about 11 or 12 days shorter than each solar year, and only returns to align with the solar year after every 33 or 34 Islamic years. The Islamic calendar is used primarily for religious purposes. In Saudi Arabia, the calendar is also used for commercial purposes.
Most other types of calendars, whether called "lunar calendars" or perpetual calendars, are in fact lunisolar calendars. This means that in these calendars, the months are maintained according to the cycle of the Moon, but sometimes leap months are added according to certain rules to adjust the lunar cycles to match the solar year. Currently, in Vietnamese, when people talk about the lunar calendar, they think of a calendar based on the principles of the Chinese calendar, but modified according to UTC+7 instead of UTC+8. It is a lunisolar calendar in the truest sense, not a purely lunar calendar. Because the calculation of the lunar calendar differs from that of China, the Vietnamese Lunar New Year sometimes does not completely coincide with the Spring Festival of China and other countries influenced by Chinese culture and the Sinocentric cultural sphere.
Because the purely lunar calendar has only 12 lunar months (corresponding months) in each year, this cycle (354.367 days) is sometimes also called a lunar year.
Lunar and Solar Calendar
The lunisolar calendar is a type of calendar used by many cultures, in which the dates indicate both the lunar phase (or lunar cycle) and the duration of the solar year (solar calendar). If the solar year is defined as the tropical year, the lunisolar calendar will provide indication of the seasons; if it is calculated according to the astronomical year, the calendar will predict the constellations near which a full moon (the "see-see") is likely to occur. There is usually an additional requirement that a year contains only a natural number of months, in most years 12 months, but every two (or three) years there is a year with 13 months.
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Issued by the Ministry of Information and Communications on March 24, 2022
