Don't throw away your birth chart! Professional astrologers use Rashi Chart to see the of a planet (Is it in its own sign? Is it debilitated?). Bhava Chart
How does a Bhava chart calculator work? It works by accepting the beautiful, messy reality of a spherical Earth moving through space. It rejects the neat fiction that every house is exactly 30 degrees. It takes your unique birth moment—the exact spin and tilt of the world at that second—and mathematically slices the sky into 12 unequal, meaning-rich segments. bhava chart calculator work
In the standard Rashi Chart (Equal House system), the first house (Lagna) begins exactly at 0° of a sign. If your Lagna is 15° Aries, then: Don't throw away your birth chart
If you are ready to run your own Bhava chart: Bhava Chart How does a Bhava chart calculator work