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A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared to a common year. The 366th day (or 13th month) is added to keep the calendar year synchronised with the astronomical year or seasonal year . [ 1 ]
Modern astronomers define the tropical year as time for the Sun's mean longitude to increase by 360°. The process for finding an expression for the length of the tropical year is to first find an expression for the Sun's mean longitude (with respect to ♈︎), such as Newcomb's expression given above, or Laskar's expression. [32]
The Chinese often organize dragon dances during Tết Trung Thu, while the Vietnamese do lion dances. The lion symbolizes luck and prosperity and is a good omen for all families. In the past, Vietnamese people also held trống quân singing and hung lanterns in kéo quân during the festival. The drums are sung to the rhythm of three "thình ...
The two calendars agreed again after a leap month lasting from 21 March to 19 April of that year was inserted into the Vietnamese calendar. In the Vietnamese zodiac, the cat replaces the Rabbit in the Chinese zodiac. So, a child born in the Chinese year of the Rabbit will be born in the Vietnamese year of the Cat (mẹo/mão).
Typhoon Hester of October 1971 was regarded as one of the most destructive storms to strike Vietnam since 1944. [1] Developing as a tropical depression on October 18 near Palau, Hester gradually intensified as it moved westward towards the Philippines. Across the Philippines, Hester was responsible for six deaths and ₱5 million in damage.
In astronomy, the Julian year is a unit of time, defined as 365.25 days of 86 400 SI seconds each (no leap seconds). There is no universally accepted symbol for the year as a unit of time. The International System of Units does not propose one. A common abbreviation in international use is a (for Latin annus), in English also y or yr.
It is the same as if 4 mod year = 0 and 100 mod year ≠ 0, then not a leap year, unless 400 mod year = 0, then it is a leap year. Sanity check {{is leap year|2000}} → 1: 2000 AD is effectively a leap year (in both the Julian and Gregorian calendars) .
Typhoons impacting this region are relatively common, with most of these storms doing so from the middle of the year. The most active tropical cyclone season for Vietnam is in 2013, with their meteorological agency tracking 15 storms, in which 9 have made landfall. This article includes any tropical cyclone of any intensity that affected Vietnam.