Consult an astrologer to know more about your stars and your place in the firmament. And if there is a problem somewhere, the solution is not far either. Nepalis have been doing it for centuries and many will vouch it works.
Tika during Dashain, Bhai Tika during Tihar, etc are occasions when the astrologers determine the auspicious hours for these festivities to take place. They also forecast the solar and lunar eclipses and their impact on people.