Information obtained from The Secret Language of Birthdays by Gary Goldschneider and Joost Elfferss
January 8th: People born on this day are said to have a strong sense of themselves. They can concentrate their full energies on projects and they are good at overcoming adversity. They can be conceited if not careful.
January 9th: January 9th people tend to be ambitious and are good at finding opportunities to improve their situation. However this can also backfire but they recover quickly. These are workaholic types and can become ruthless if opposed.
January 10th: The best description for those born on this day is that of a realist. So much so that they have tough standards that they set for themselves and others and can be very judgmental. They want to dominate and control a situation. They can be jeolous when compared to other people.
January 11th: These are strong willed people who are highly moral and view the world through their own belief system. They are analytical types who are excellent at solving problems. However, they can be stubborn and inflexible.
January 12th: Those born on this day can best be described as career minded individuals who sacrifice a great deal of their personal life for the sake of their career. However, these people can come across as being arrogant because of their energy. They tend to choose unusual careers and come across as a bit strange.
January 13th: Characteristics of those born on the 13th is all about their status in life. They work towards self improvement and are often not comfortable with themselves. They tend to be proud and isolate themselves from others.
January 14th: People born on this day are the great organizers. They go after that which they believe to be right, even if opposed. They persist even against great odds. They are involved in social causes to the point they exclude family and friends.