What is New Year

The New Year is the day that marks the time of the beginning of a new calendar year, and is the day on which the year count of the specific calendar used is incremented. For many cultures, the event is celebrated in some manner.
The New Year of the Gregorian calendar, today in worldwide use, falls on 1 January, continuing the practice of the Roman calendar. There are numerous calendars that remain in regional use that calculate the New Year differently.
The order of months in the Roman calendar has been January to December since King Numa Pompilius in about 700 BC, according to Plutarch and Macrobius. According to the Christian tradition, 1 January is the day of the circumcision of Jesus (on the eighth day of his birth), when the name of Jesus was given to him (Luke 2:21). Since then, 1 January has been the first day of the year, except during the Middle Ages when several other days were the first (1 March, 25 March, Easter, 1 September, 25 December).With the expansion of Western culture to the rest of the world during the twentieth century, the 1 January date became global, even in countries with their own New Year celebrations on other days (such as China and Pakistan).
In the culture of Latin America there are a variety of traditions and superstitions surrounding these dates as omens for the coming year. January remains a symbol of the New Year's celebration.
The most common modern dates of celebration are listed below, ordered and grouped by their appearance relative to the conventional Western calendar.
The Gregorian calendar is now used by many countries as the official calendar. This has meant that celebrations for the New Year have become much larger than before. Some countries(e.g. the Czech Republic) even consider 1 January to be a national holiday.

Time Zones
Because of the division of the globe into time zones, the new year moves progressively around the globe as the start of the day ushers in the New Year. The first time zone to usher in the New Year is just west of the International Date Line. At that time the time zone to the east of the Date Line is 23 hours behind, still in the previous day. The central Pacific Ocean island nation of Kiribati claims that its easternmost landmass, uninhabited Caroline Island, is the first to usher in the New Year