DayGregorian calendar:15-02-1990
DayLunar calendar:20-1-1990
Day of the week:Thursday
DayTan HoimonthMau DanyearCanh Ngo
HourZodiac:Ox (1-3), Dragon (7-9), Horse (11-13), Goat (13-15), Dog (19-21), Pig (21-23)
| Gregorian calendar | Lunar calendar |
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| February 1990 | January 1990 (Year of the Horse) |
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15
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20
Day:Tan Hoi, Month:Mau Dan Solar terms:Beginning of Spring |
| Auspicious Hours (Good Hours) | |
| Ox (1-3), Dragon (7-9), Horse (11-13), Goat (13-15), Dog (19-21), Pig (21-23) | |
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Ox (01:00-02:59); Dragon (07:00-08:59); Horse (11:00-12:59); Goat (13:00-14:59); Dog (19:00-20:59); Pig (21:00-22:59) |
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Rat (23:00-0:59); Tiger (03:00-04:59); Rabbit (05:00-06:59); Snake (09:00-10:59); Monkey (15:00-16:59); Rooster (17:00-18:59) |
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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:Tan Hoi- meaning the Heavenly Stem generates the Earthly Branch (Metal generates Water), this day is an auspicious day (lucky day). - Lunar energy: The day is associated with the Metal element, and is unfavorable for those born in the years of Ất Tỵ and Kỷ Tỵ. - This day belongs to the Metal element, which clashes with the Wood element, except for those born in the year of the Pig (Kỷ Hợi), as the clash of Metal and Wood is beneficial for them. - The day of the Pig is in harmonious combination with the Tiger, and in triple harmony with the Rabbit and Goat, forming a Wood element combination. It clashes with the Snake, forms a harmful combination with the Pig, damages the Monkey, destroys the Tiger, and completely negates the Horse. |
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ButNew"If the sauce isn't mixed properly, the master won't be allowed to taste it." ButPig"No marriage ceremony because the couple will eventually separate." |
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Day:Little Cat- that is, an auspicious day In this period, everything will go well for Xiao Ji, with few obstacles. Major undertakings will be successful and smooth, aided by divine blessings and protection, and supported by influential people. "Little Cat meets the dragon fruit association" |
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: Perception : Giac Moc Giao - Dang Vu: Good (Binh Tu) The celestial general is the Dragon, ruling over Thursday. All endeavors will bring honor and prosperity. Marriage and childbirth will result in precious sons. Career advancement and academic success will be remarkable. Burials during times of misfortune must last three years. Whether building or repairing a tomb, someone will inevitably die. Therefore, to avoid bad omens, you should choose another auspicious day to conduct the burial. Children born on a day when the Star of the Horn (Sao Giác) shines will be difficult to raise. It is best to name the child after the star for safety. If not using the star's name, you can use the star's name of the month or year, which carries a similar meaning. : - The constellation Horn falls on the day of the Horse.Resurrection and AnnihilationIt is considered very inauspicious for burials, inheritance, dividing family assets, traveling, and even starting a dyeing or pottery kiln. However, the Horn constellation on this day is auspicious for activities such as filling holes, building walls, weaning children, constructing toilets, and ending harmful things. - The crocodile (Giác Mộc Giao): represents the Wood element, a benevolent star. It signifies academic success and a successful marriage. However, it is inauspicious for reburial and burial. - When the Horn Constellation falls on the first day of the lunar month, it signifies a Day of Destruction: one should avoid making wine, conducting administrative work, establishing pottery or dyeing kilns, and even inheritance. It is especially inauspicious to travel by boat. - When the Horn Star falls on the Day of the Tiger, it signifies achieving a high position or that everything will go well. "The auspicious star brings prosperity and honor to the ruler." |
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Direct Transmission What should be donePlanting rice, harvesting rice, buying buffaloes, raising silkworms, hunting animals and fish, pruning trees. Breaking ground, leveling and filling land, women starting the day by taking medicine for illness, assuming official positions, inheriting titles or businesses, entering administrative work, submitting petitions and memorials. Do not:It is inauspicious to start a new job, travel, or attend funerals. |
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Good star: - Sacred Heart Star: Auspicious for all matters, especially prayers for blessings and religious ceremonies. - Five Blessings Star: Good for all matters - U Vi Tinh Star: Good for all matters - Six-Harmonies Star: Auspicious for all matters - Mẫu Thương Star: Auspicious for seeking wealth and prosperity, and for opening businesses. Bad star: - Star of Calamity: Avoid traveling, marriage, burial, and construction. - Earth Destruction Star: Avoid construction. - The star Ha Khoi Cau Giao: Avoid starting construction of houses; unfavorable for all matters. - Star of the Battle Array: Unfavorable for burial. - Saturn (Thổ Cẩm): Avoid construction and burial. - The Crying Ghost Star: Unfavorable for rituals and funerals. |
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DayMetal and Earth:Missing the train or bus, failing to obtain wealth, losing belongings along the way—all are unfavorable outcomes. |
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Departing in the southwest direction to welcome the 'God of Joy'. Departing in the southwest direction to welcome the 'God of Wealth'. Avoid traveling in the Northeast 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)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 13:00 to 15:00 (Goat) and from 01:00 to 03:00 (Ox)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 3 PM to 5 PM (Monkey) and from 3 AM to 5 AM (Tiger)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 5 PM to 7 PM (Rooster) and from 5 AM to 7 AM (Rabbit)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. From 7 PM to 9 PM (Tuất) and from 7 AM to 9 AM (Thìn)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 9 PM to 11 PM (Pig) and from 9 AM to 11 AM (Snake)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. |
February 15, 1990 was the 20th day of the 1st lunar month. It was the day of Tan Hoi, the month of Mau Dan, and the year of Canh Ngo.
February 15, 1990 was a Thursday.
The 20th day of the first lunar month is an inauspicious day.
The 20th day of the first lunar month is the dayMetal and Earth.
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.