According to Tibetan Astrology so called "Minor Combination" is of our main interest in relation to daily life ELEMENTAL CALCULATIONS IN TIBETAN ASTROLOGY
Now to find out which calculation influences particular day we need to check the relationship between the element of the planet of the day and the element of constellation on that particular day. Luckily we do not have to do that ourselves, there are ready made calculations based on Kalachakra Calendar.
1. go to http://www.kalacakra.org/calendar/tiblist.htm
2. find the year and date you want to make calculations for , year 2015 http://www.kalacakra.org/calendar/tdata/pl_2015.txt to see the combination of the elements on that particular day
3. check whether that combination is auspicious or not here: ELEMENTAL CALCULATIONS
For example for 19 February 2015 the combination is WIND (AIR) - WATER which is one of three negative combinations.
Try to start the activities of particular importance for your life (starting new projects or business, starting new treatment, dating with a new partner, marriage, moving house or travelling) on an auspicious, favourable day!
Try to avoid doing that on unfavourable days!