Your chart, read as data.

It matters more than anything else you enter. The houses — which area of life an event touches — rotate roughly one degree every four minutes, so an hour's error moves the whole framework. If you only know the date, you will still get a real chart and accurate planetary positions, but treat anything house-based as provisional. Birth certificates are the usual source.

No. A horoscope is written once for everyone born across a whole month. Astperia calculates your chart from your own birth moment and place, then checks each real astronomical event against it. Two people born the same day in different cities get different readings.

The Swiss Ephemeris, the same calculation library professional astrological software uses. Planetary positions, eclipses and aspects are computed, not looked up in a table, and they are accurate. The astrology — what a Saturn transit through your fourth house means — is interpretation, and we say so.

The prose is, from the specific facts of your chart: which event, which house, which natal placement it contacts, at what orb. The engine decides what is significant; the model puts it into words. It can still be wrong or odd, and it is not advice.

Calculate your chart and nothing else. It is never written to our logs, never sent to our error tracker, and never used for advertising. The interpretation model receives the astrological facts but not your name, birth time, birth place or coordinates. Deleting your account erases all of it immediately.

Your natal chart, your dashboard, and every activation the engine finds — the full picture of what is happening and where. Paid plans add the written interpretation for each one.

Any time, from settings. You keep access until the end of the period you have already paid for, and nothing renews after that.