2. January is the coldest month of the year in the Northern Hemisphere  but the warmest month in the Southern Hemisphere.

3. In the Southern Hemisphere, January is the seasonal equivalent of July in the Northern Hemisphere.

4. January starts on the same day of the week as October in common years, and starts on the same day of the week as April and July in leap years. In a common year, January ends on the same day of the week as February and October, and ends on the same day of the week as July in a leap year.

5. January is named after Janus, the god of the doorway in Roman mythology. Some say that Janyary has come from the Latin word Janua means door.  January is the door to the year.

6. Traditionally, January was not a month in the original Roman calendar, which consisted of 10 months, totalling 304 days.  March was the first month in the old Roman calendar. The winter periods (January and February) were considered as a monthless period. Around 713 BC, January and February were added to the calendar as months, making a year 365 days. January became the first month of the calendar year.

7. During the Middle Ages, various dates were used for the New Year in Europe. In the 16th century, European countries officially celebrated January 1 the start of the New Year. 

8. The Holidays in India in January are- New Year’s Day – January 1, Makara Sankranthi – January 14, Netaji Subash Bose’s birthday-January 23rd and the Republic Day– January 26.