DayGregorian calendar:13-02-1990
DayLunar calendar:18-1-1990
Day of the week:Tuesday
DayYear of the RoostermonthMau DanyearCanh Ngo
HourZodiac:Rat (23-1), Tiger (3-5), Rabbit (5-7), Horse (11-13), Goat (13-15), Rooster (17-19)
| Gregorian calendar | Lunar calendar |
|---|---|
| February 1990 | January 1990 (Year of the Horse) |
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13
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18
Day:Year of the Rooster, Month:Mau Dan Solar terms:Beginning of Spring |
| 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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These days are considered inauspicious: ButTam Nuong DayThis is an inauspicious day; it is considered unlucky to undertake important activities such as opening a business, traveling, getting married, groundbreaking ceremonies, repairs, or building a house, etc. |
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Day:Year of the Rooster- meaning the Heavenly Stem generates the Earthly Branch (Earth generates Metal), this day is an auspicious day (lucky day). - Lunar energy: Day of Great Earth Plague, unfavorable for those born in the years of Ren Yin and Jia Yin. - This day belongs to the Earth element, which clashes with the Water element, except for those born in the years of Bing Ngo and Nhâm Tuất, which belong to the Water element and are not affected by the Earth element. - The day of the Monkey is in harmonious combination with the Snake, and in triple harmony with the Rat and the Dragon, forming a Water element combination. It clashes with the Tiger, forms a harmful combination with the Tiger and the Pig, damages the Pig, destroys the Snake, and completely negates the Rabbit. |
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ButCentury"Breaking contracts and agreements will only harm both parties." 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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Wing : Fire Serpent - Copper Star: Bad (Inauspicious Star) The star of the snake, governs Tuesday. Cutting your shirt will bring you wealth. Activities such as burials, house construction, laying foundation stones, erecting roof beams, weddings, installing doors and windows, and irrigation projects are considered inauspicious. Therefore, if you are planning to undertake any of these activities, you should choose an auspicious day in the month. : - Fire Serpent (the snake): Fire element, an inauspicious star. Unfavorable for marriage, building a house, or burial. - The Fire Serpent Star in the signs of Monkey, Rat, and Dragon is very auspicious. In Dragon: Its most favorable position is the strongest. In Rat: Its auspicious position is very good for inheriting a business or assuming a high-ranking position. "The unfavorable star indicates a high price on the road." |
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Direct Danger What should be doneThe term "Trực Nguy" (Direct Danger) signifies danger and decline. Therefore, a day with "Trực Nguy" is considered an inauspicious day, and undertaking any endeavor on such a day will be unsuccessful. |
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Good star: - Auspicious Star: Good for all matters - Auspicious Star: Good for all matters - Yin Virtue Star: Good for all matters Bad star: - The Heavenly Star: Bad for everything. - Personality Star: Unfavorable for marriage and new beginnings. - Black Tortoise Star: Unsuitable for burial. - Desolate Star: Bad for everything - Ly Sang star: Unfavorable for marriage - The Crying Ghost Star: Unfavorable for rituals and funerals. |
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DayHao Thuong:A smooth journey, meeting influential people who approve, work going as desired, and returning home in glory. |
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Departing in the Northeast direction to welcome the 'God of Joy'. Departing in the South 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)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. |
February 13, 1990 was the 18th day of the 1st lunar month. It was the day of the Rooster (Kỷ Dậu), the month of the Tiger (Mậu Dần), and the year of the Horse (Canh Ngọ).
February 13, 1990 was a Tuesday.
The 18th day of the first lunar month is an inauspicious day.
The 18th day of the first 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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