Question

in which day we celebrate new year

Answer 1

depends on people and their culture.

like
eng. people 1 Jan and
Indian people depends on relegion and culture
parsi people celebrate pateti.

maharastrion people celebrate gudi padwa in chaitra ( Marathi month) .

Answer 2

Japanese New Year is celebrated on January 1 because the Gregorian calendar is now used instead of the Chinese calendar. Korean New Year, called Seollal (설날), is the first day of the lunar calendar. Koreans also celebrate solar New Year's Day on January 1 each year, following the Gregorian Calendar. and it depends on people, culture and places