DayGregorian calendar:21-05-2028
DayLunar calendar:27-4-2028
Day of the week:Sunday
DayYear of the HorsemonthYear of the SnakeyearMau Than
HourZodiac:Rat (23-1), Ox (1-3), Rabbit (5-7), Horse (11-13), Monkey (15-17), Rooster (17-19)
| Gregorian calendar | Lunar calendar |
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| May 2028 | April 2028 (Year of the Monkey) |
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21
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27
Day:Year of the Horse, Month:Year of the Snake Solar terms:Xiao Man |
| Auspicious Hours (Good Hours) | |
| Rat (23-1), Ox (1-3), Rabbit (5-7), Horse (11-13), Monkey (15-17), Rooster (17-19) | |
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Rat (23:00-23:59); Ox (01:00-02:59); Rabbit (05:00-06:59); Horse (11:00-12:59); Monkey (15:00-16:59); Rooster (17:00-18:59) |
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Tiger (03:00-04:59); Dragon (07:00-08:59); Snake (09:00-10:59); Goat (13:00-14:59); 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 Horse- meaning the Heavenly Stem and Earthly Branch are the same (both Fire), this day is an auspicious day. - Elemental influence: Day of the Heavenly River Water, unfavorable for those born in the year of Canh Ty (Metal Rat). - This day belongs to the Water element, which clashes with the Fire element, except for the following zodiac signs: Mau Ty, Binh Than, and Mau Ngo, which belong to the Fire element and are not affected by Water. - The day of the Horse is in harmonious combination with the Goat, and in triple harmony with the Tiger and Dog, forming a Fire element. It clashes with the Rat, is in conflict with the Horse and Rooster, harms the Ox, destroys the Rabbit, and is in absolute opposition to the Pig. |
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ButBing"If you don't repair your stove, you'll encounter a fire hazard." ButNoon"It is not advisable to re-roof a house because it will have to be re-roofed later." |
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Day:Void- That is, Hung Day. Things are likely to fail. Work will come to a standstill, progress will be delayed, and obstacles will arise. Money and possessions will be lost, and reputation and prestige will decline. It's a bad day in every respect, so it's best to avoid undertaking any endeavors to minimize the chances of failure. "The Void encounters an urgent divination." |
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: Broken : Bad Luck (Hung Tu) - The Rat is the ruling animal for Sunday. The word "Hư" means decay or ruin. The star Hư signifies that nothing will go well. Starting any undertaking on this day is considered unlucky. This is especially true for house construction, business openings, weddings, opening new doors, digging canals or draining water. Therefore, if you wish to proceed with groundbreaking ceremonies, house construction, weddings, etc., you should choose another auspicious day. : - When the Void Star meets the Rat day, the Void Star is in its auspicious position. However, it is subject to certain unfavorable circumstances.Resurrection and AnnihilationAvoid inheriting property, dividing family assets and businesses, burial, traveling, and starting work on dyeing or pottery kilns. It is advisable to: wean children, put an end to harmful things, fill holes and pits, build walls, and construct toilets. - Negative: Rat (the Rat): A bad omen. Avoid construction. Family discord is likely. - The Void Star (Sao Hư) is auspicious when it meets the Monkey (Thân), Rat (Tý), or Dragon (Thìn). It is best when it is in its most favorable position in the Dragon (Thìn). Six days: Giáp Tý, Canh Tý, Mậu Thân, Canh Thân, Bính Thìn, and Mậu Thìn are very suitable for undertaking important matters. Except for Mậu Thìn, the remaining five days are unsuitable for burial. - When encountering the Huyền Nhật (7th, 8th, 22nd, and 23rd days of the Lunar Calendar), the Hư phạm Diệt Một star indicates unavoidable misfortune if establishing a pottery or dyeing kiln, or inheriting property. Avoid: making wine, entering administrative work, and especially traveling by boat. "A malevolent star brings about disaster." |
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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: - Sacred Heart Star: Auspicious for all matters, especially prayers for blessings and religious ceremonies. - U Vi Tinh Star: Good for all matters - Green Dragon Star (Zodiac Sign): Auspicious for all matters - Green Dragon Star (Zodiac Sign): Auspicious for all matters Bad star: - Hoang Sa Star: Unfavorable for travel - Moon inauspicious position: Avoid groundbreaking ceremonies. - Ly Sang star: Unfavorable for marriage - When the celestial and earthly stars shift: Avoid disturbing the earth. - The Heaven and Earth Shifting Star: Avoid disturbing the ground. - The Crying Ghost Star: Unfavorable for rituals and funerals. |
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DayKim Duong:The journey will be auspicious, with benevolent people assisting, wealth will flow smoothly, and legal disputes will be handled with strong arguments. |
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Departing in the Southwest direction to welcome the 'God of Joy'. Departing in the East 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)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 13:00-15:00 (Goat) and from 01:00-03:00 (Ox)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 3 PM to 5 PM (Monkey) and from 3 AM to 5 AM (Tiger)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 5 PM to 7 PM (Rooster) and from 5 AM to 7 AM (Rabbit)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 7 PM to 9 PM (Tuất) and from 7 AM to 9 AM (Thìn)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 9 PM to 11 PM (Pig) and from 9 AM to 11 AM (Snake)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. |
May 21, 2028 corresponds to the 27th day of the 4th lunar month. It is the day of Bing Ngo, the month of Dinh Ty, and the year of Mau Than.
May 21, 2028 is a Sunday.
The 27th day of the 4th lunar month is an auspicious day.
The 27th day of the 4th lunar month is the dayKim Duong.
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.