To answer this question, we need to understand the different types of calendars and their respective New Year's Day dates.
Option A) Julian Calendar - This option is incorrect because under the Julian Calendar, New Year's Day was celebrated on March 25th.
Option B) Gregorian Calendar - This option is correct because under the Gregorian Calendar, New Year's Day is celebrated on January 1st. The Gregorian Calendar is the most widely used civil calendar internationally.
Option C) Jewish Calendar - This option is incorrect because the Jewish Calendar follows a lunar-based system and the New Year, known as Rosh Hashanah, falls on a different date each year in the Gregorian Calendar. It usually occurs in late September or early October.
Option D) Chinese Calendar - This option is incorrect because the Chinese Calendar is also lunar-based, and the Chinese New Year falls on a different date each year in the Gregorian Calendar. It usually occurs between January 21st and February 20th.
Therefore, the correct answer is B) Gregorian Calendar. Under the Gregorian Calendar, New Year's Day is celebrated on January 1st.