As per Hinduism, Tuesday is the day of Hanuman, we worship Hanuman for divine power & Thursday is the day of Goddess Laxmi. If you cut your hair or nails it is showing disrespect to Hanuman & Goddess Laxmi & this may affect your life. Some people beliefs cutting hair or nails may affect our financial life because Goddess Laxmi comes to our life with prosperity.
People believe Saturday is a day of Saturn & Saturn or Planet Shani is very important of human life. People believe all bad things & negativity is the anger of Planet Shani. That’s why people avoid cutting hair or nails on certain days.
According to astrology, we have nine planets & each planet has the significance of our human lives. Astro science belief Tuesday is the day of Mars, as Thursday is a day of Jupiter & Saturday is Saturn. As per Astrology, those three planets brings positivity, happiness & goodness to our life. If you cut hair & nails on those days something negative happens in your life. Hopefully, it may consequence but we Hindus believe in this ritual & practices from ancient times. So be respectful to our Hinduism not superstitions. Believe in humanity; cause humanity is the perfect way to show respect to our culture, believes & traditions.