This would be a good time to conserve your energy and pay attention to your health. Things will get better after January 20th, as the sun moves into the sign Aquarius and gives up its oppositional position.
Mars will be forming a square throughout the entire month. This means it will be sending lots of energy - however, it might send so much that you tend to overwork yourself, paint the town red, or tend to have accidents if everything gets too hectic. You need to learn to channel this excess energy into the right areas and avoid hectic hustle and bustle.
Jupiter has formed a quincunx aspect for quite some time, as it will continue to do throughout all of 2019. That means this is a period of reorientation. This will be a very good time to focus on education - perhaps to take some continuing education classes after work, for instance, and become a specialist in your field. Jupiter is certain to repay you for your troubles later on, as the planet prizes idealism and serves as its most enthusiastic representative.
Saturn will remain in opposition to Cancers, so things might not be as easy as usual. You will need to learn to develop patience and persistence. If you’re successful, then you will have learned your lesson.
Career, Money, and Communication:
Mercury will be passing through three signs in the first month of the year, forming first a quincunx aspect, then an opposition, and finally another quincunx. The quincunx aspects mean communications will be normal during this period without any major problems. The opposition, however, could bring disruptions especially between January 5th and 24th. This is a time for caution, as you might face lies, dissimulation and misunderstandings.