Now let me surprise you.
First of all the questioner should buy current Ephemerides if he wants to be an astrologer. They are not expensive and give all the information he needs. Are they now available on line?
Secondly, Mars square Mercury would, according to astrology, cause conflict in the mind, anger and disquiet. The degree of this would have to be related to the Birth Chart. For example whether there is any connection between Mars and Mercury there which might exacebate or mollify the current situation. Beware travel!
Thirdly, astrology does not accept the inverse square law, so that it rates the influence of Jupiter as expander of other influences, and Saturn a limiting, controlling influence (still very powerful). Mercury is
quite important in travel and matters of the mind
Yes. Although I am a scientist I spent quite a long time studying astrology. That was about 50 years ago. My current disapproval is based on things like attributing strong
powers to Pluto - where has the influence of Eris and Makemake been all these millenia? And what about Ceres? Yes, I have studied it in great detail and in a very scientific manner. My advice - leave well alone. Although, probably by chance, I found interesting "coincidences".
As far as Sun Signs are concerned in the Daily's. (imho) Grow up!