Gregorian calendarThe Gregorian calendar is the calendar used in most parts of the world. It went into effect in October 1582 following the papal bull Inter gravissimas issued by Pope Gregory XIII, which introduced it as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years differently so as to make the average calendar year 365.2425 days long, more closely approximating the 365.2422-day 'tropical' or 'solar' year that is determined by the Earth's revolution around the Sun.
New Year's EveIn the Gregorian calendar, New Year's Eve, also known as Old Year's Day or Saint Sylvester's Day in many countries, is the evening or the entire day of the last day of the year, 31 December. The last day of the year is commonly referred to as “New Year's Eve”. In many countries, New Year's Eve is celebrated with dancing, eating, drinking, and watching or lighting fireworks. Some Christians attend a watchnight service. The celebrations generally go on past midnight into New Year's Day, 1 January.
Lunar New YearLunar New Year is the first new moon of a lunar calendar or lunisolar calendar year, whose months are moon cycles. The event is celebrated by numerous cultures in various ways at diverse dates. The more well-known celebrations include New Year's Day (or week) in the Chinese calendar and Tibetan calendar of East Asia; the Buddhist and Hindu calendars of Southeast and South Asia; the Islamic calendar and the Jewish calendar that originated in the Middle East; and the Nisga'a calendar from Canada.
PolandPoland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of 38 million and is the fifth-most populous member state of the European Union. Warsaw is the nation's capital and largest metropolis. Other major cities include Kraków, Gdańsk, Wrocław, Katowice, Łódź, Poznań, Szczecin and Lublin.
SiriusSirius is the brightest star in the night sky. Its name is derived from the Greek word Σείριος, or , meaning 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa. With a visual apparent magnitude of −1.46, Sirius is almost twice as bright as Canopus, the next brightest star. Sirius is a binary star consisting of a main-sequence star of spectral type A0 or A1, termed Sirius A, and a faint white dwarf companion of spectral type DA2, termed Sirius B.
WinterWinter is the coldest season of the year in polar and temperate climates. It occurs after autumn and before spring. The tilt of Earth's axis causes seasons; winter occurs when a hemisphere is oriented away from the Sun. Different cultures define different dates as the start of winter, and some use a definition based on weather. When it is winter in the Northern Hemisphere, it is summer in the Southern Hemisphere, and vice versa. In many regions, winter brings snow and freezing temperatures.
FireworksFireworks are a class of low explosive pyrotechnic devices used for aesthetic and entertainment purposes. They are most commonly used in fireworks displays (also called a fireworks show or pyrotechnics), combining a large number of devices in an outdoor setting. Such displays are the focal point of many cultural and religious celebrations. Fireworks take many forms to produce four primary effects: noise, light, smoke, and floating materials (confetti most notably).
Korean New YearSeollal () is a traditional festival and national holiday commemorating the first day of the lunisolar calendar. It is one of the most important traditional holidays for ethnic Koreans, being celebrated in both North Korea and South Korea as well as Korean diaspora all around the world. Seol, written as (설) in Middle Korean in Hangul, means "year of age" since it is also the date when Koreans grow a year older. The modern Korean word for "age" – sal is derived from the same origin as seol.
New Year treeNew Year trees are decorated trees similar to Christmas trees that are displayed to specifically celebrate the New Year. They should not be confused with the practice of leaving up a Christmas tree until after New Year's Day (traditionally until the Epiphany on 6 January). New Year trees are common in various cultures and nations, chiefly the former Soviet Union, former Yugoslavia, Turkey, China and Vietnam. Russian and Turkish New Year trees are of the same varieties as those used for Christmas trees, although a spruce tree is the most usual type.
Time zoneA time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time. All time zones are defined as offsets from Coordinated Universal Time (UTC), ranging from UTC−12:00 to UTC+14:00. The offsets are usually a whole number of hours, but a few zones are offset by an additional 30 or 45 minutes, such as in India, South Australia and Nepal.
