DayGregorian calendar:20-05-2011
DayLunar calendar:18-4-2011
Day of the week:Friday
DayẤt HợimonthYear of the SnakeyearYear of the Rabbit
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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| May 2011 | April 2011 (Year of the Rabbit) |
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20
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18
Day:Ất Hợi, Month:Year of the Snake Solar terms:Beginning of Summer |
| 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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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:Ất Hợi- meaning the Branch (Water) gives rise to the Stem (Wood), this day is an auspicious day (meaning a good day). - Elemental influence: Day of Mountain Fire, unfavorable for those born in the years of Kỷ Tỵ and Tân Tỵ. - This day belongs to the Fire element, which clashes with the Metal element, except for those born in the years of Quy Dau and At Mui, which belong to the Metal element and are not afraid of Fire. - 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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ButB"It is not advisable to sow seeds and plant trees because the trees will not grow well." 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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Cang Cang Kim Long - Ngo Han: Bad (Hung Tu) Dragon star, governs Friday. Jobs related to tailoring curtains will bring much good fortune. Burial on this day is considered inauspicious due to multiple deaths in the family. Therefore, to avoid bad luck, you should choose another auspicious day for burial. If you get married on this day, you may experience a cold and lonely marriage. If you engage in disputes or lawsuits, you will suffer defeat. If you start building a house, your first child will die. Within 10 or 100 days, you will encounter misfortune, gradually losing all your land and property. If you are an official, you will be dismissed from your position. The Cang star belongs to the Seven Killing Stars; children born on this day will be difficult to raise. Therefore, naming your child after the star will bring peace and safety. : - The Cang star falls on the full moon day.Destroy One JapanAvoid making wine, inheriting a business, establishing a pottery or dyeing kiln, or entering administration; firstly, traveling by boat is fraught with danger (because "Destruction" means sinking). - Cang Kim Long (Dragon) Star: Metal element, an inauspicious star. Avoid marriage and construction. Beware of potential accidents. - When the Cang star is in the signs of Goat, Pig, and Rabbit, everything will go well. It is especially auspicious in the sign of Goat. "The talented and resourceful Head of the Road Department," |
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Direct Break What should be doneIt is a day when the Sun and Moon are in conflict. The day is associated with the "Breaking" (Phá) star, making all undertakings unfavorable; only demolition of houses is advisable. |
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Good star: - The Earth Star (Địa Tài) coinciding with the Bảo Quang Hoàng Đạo day: Auspicious for seeking wealth and prosperity, and for opening a business. - Traveling Star: Auspicious for all matters, especially travel. - Venus in the Zodiac: Good for all things Bad star: - Star of Divine Power: Avoids sacrificial rituals. - The Star of Wandering Souls (Earth element): Avoid traveling, marriage, seeking wealth, and groundbreaking ceremonies. - Moon Star Break: Unfavorable for building houses - 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 Northwest direction to welcome the 'God of Joy'. Departing in the Southeast direction to welcome the 'God of Wealth'. Avoid traveling in the Southwest 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. |
May 20, 2011 corresponds to the 18th day of the 4th lunar month. It is the day of Ất Hợi, the month of Quý Tỵ, and the year of Tân Mão.
May 20, 2011 was a Friday.
The 18th day of the 4th lunar month is an auspicious day.
April 18th in the lunar calendar 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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