DayGregorian calendar:21-10-2009
DayLunar calendar:4-9-2009
Day of the week:Wednesday
DayYear of the PigmonthYear of the Dog (Giáp Tuất)yearYear of the Ox
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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| October 2009 | September 2009 (Year of the Ox) |
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21
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4
Day:Year of the Pig, Month:Year of the Dog (Giáp Tuất) Solar terms:Han Lu |
| 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:Year of the Pig- meaning the Heavenly Stem clashes with the Earthly Branch (Earth overcomes Water), this day is considered an average auspicious day (neutral day). - Elemental influence: Day of Flat Land Wood, unfavorable for those born in the years of Quy Ty and At Mui. - This day belongs to the Wood element, which clashes with the Earth element, except for the following birth years: Tan Mui, Ky Dau, and Dinh Ty, which belong to the Earth element and are not affected by Wood. - 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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ButCentury"Breaking contracts and agreements will only harm both parties." 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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Bich : Bich Thuy Du - Tang Cung: Good (Auspicious Star) The ruling animal is the otter, presiding over Wednesday. Starting any undertaking on this day is auspicious. It is especially good for opening businesses, traveling, burials, house construction, opening doors, erecting gates, weddings, irrigation projects, draining water, clearing land, tailoring and embroidering clothes, and performing many good deeds, as good results will come more quickly. Since the Bích star is entirely auspicious, there is nothing to avoid or refrain from doing. : - The Bích Thủy Du star in Mùi, Hợi, and Mão is inauspicious for all matters, especially in winter. The day of Hợi is considered auspicious for the Bích Đăng Viên star, but it is still inauspicious.Resurrection and Annihilation(The above dietary restrictions should be followed). - Bich Thuy Du (Otter): Water element, auspicious star. Very good for things like construction, burial, and marriage. Particularly favorable for business. "The jade star creates evil and advances to the fields." |
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Direct Exclusion What should be doneEarthquakes, laying foundations, worshipping the Kitchen God, seeking medical treatment through surgery or acupuncture, prescribing medicine, mourning rituals, starting the construction of dyeing and pottery kilns, and women beginning to take medicine for illness. Do not:Children born on this day are difficult to raise, so one should perform virtuous deeds for the child; men should avoid starting to take medicine on this day. |
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Good star: - Tiancheng Star (Jade Hall of the Zodiac): Auspicious for all matters. - Five Blessings Star: Good for all matters - Mirror Heart Star: Auspicious for funerals - Hoang An Star: Everything will go well Bad star: - Star of Calamity: Avoid traveling, marriage, burial, and construction. - Desolate Star: Bad for everything - The Crying Ghost Star: Unfavorable for rituals and funerals. |
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DayWhite Tiger Foot:Avoid traveling far; nothing you do will succeed. Everything will go very badly. |
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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'. |
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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. |
October 21, 2009 corresponds to the 4th day of the 9th lunar month. It is the day of Kỷ Hợi, the month of Giáp Tuất, and the year of Kỷ Sửu.
October 21, 2009 was a Wednesday.
The 4th day of the 9th lunar month is an auspicious day.
The 4th day of the 9th lunar month is the dayWhite Tiger Foot.
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.