: Look for clean interfaces with zooming and scrolling capabilities to inspect the 12 palaces without clutter. Comparison: Free vs. Paid Features

Your chart is highly sensitive to time. A superior calculator uses birth location coordinates to adjust for True Solar Time (Zhen Tai Yang Shi), ensuring you aren't assigned the wrong two-hour birth period.

: A good tool must automatically convert your Western (Gregorian) birth date into the Chinese Lunar Calendar and account for Daylight Saving Time (DST).