Part of Fortune Calculator
The Part of Fortune is your point of natural joy and good luck. Enter your birth details — including your exact time — to find it in your chart's placement table.
What is the Part of Fortune?
The Part of Fortune — Pars Fortunaein Latin — is the most famous of the “Arabic Parts,” calculated points that ancient astrologers derived from the chart's key positions. It's found from the precise relationship between your Sun, Moon and Ascendant, so it weaves your Big Three into a single point.
Astrologically, the Part of Fortune marks where you experience natural ease, joy and good fortune — the place in life where things tend to click into place when you follow what feels genuinely fulfilling. Look for ⊗ Part of Fortune in your placement table above, then see its sign and house. For the full context, run your complete birth chart.
Frequently asked questions
What is the Part of Fortune?
The Part of Fortune (Pars Fortunae) is a calculated point — not a planet — found from your Sun, Moon and Ascendant. It's considered a point of natural joy, ease and good fortune, showing where things tend to flow for you.
How is the Part of Fortune calculated?
It's based on the relationship between your Sun, Moon and rising sign. For a day birth it's Ascendant + Moon − Sun; for a night birth, Ascendant + Sun − Moon. Our calculator handles the day/night formula automatically.
Do I need my birth time for the Part of Fortune?
Yes — because it depends on your Ascendant, an accurate birth time is essential. Without it, the Part of Fortune can't be placed correctly.
What does my Part of Fortune sign mean?
Its sign and house show where you find natural fulfilment and good fortune — the area of life and the qualities that bring you ease and joy when you lean into them.