⟳ Free Annual Profections Calculator
Umbriel's free profections calculator advances your chart one house per year of life and names the planet running that year.
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One of the simplest traditional timing techniques, and one of the few you can check by hand. Free, no account.
TRADITIONALA traditional technique: in the books before 1700.
- What you'll needBirth date, and birth time for anything beyond the whole-sign year
- What you getYour profected house and sign for any age, the planet ruling the year, and where that ruler sits in your natal chart
- CostThe chart is free. The written reading is part of Membership.
What it is
Annual profections move the chart forward one whole sign for each year of life. At birth you are in the first house; at one, the second; at twelve you are back in the first, and the cycle repeats every twelve years. The sign on that house gives a ruling planet, and that planet is read as the manager of the year.
The technique's usefulness comes from what it does next. Once you know the year's ruler, you look at where that planet sits in your natal chart, what condition it is in, and what is currently transiting it. A profection turns a whole sky of transits into a shortlist by telling you which planet to care about this year.
It is genuinely simple arithmetic, which is part of the appeal: age modulo twelve gives the house. Umbriel computes the profected house, its sign, the ruler under both traditional and modern rulership, and the ruler's natal placement and current transits.
The technique counts from your birthday, not from January. Your profected year turns over on your birthday each year, which means for part of every calendar year you are in the previous profection.
How Umbriel computes it
The profected house is your age in whole years modulo twelve, counted from the Ascendant, with the year turning over on your birthday rather than in January. The ruler is taken from the sign on that house under traditional rulership, with the modern ruler shown alongside wherever the two differ. Umbriel does not silently pick one. The ruler's natal condition and its current transits are then pulled from the same chart engine, so the shortlist you get is computed, not looked up.
What's in your result
- The profected house and signFor any age, not just your current one.
- The ruler of the yearUnder traditional rulership, with the modern ruler shown alongside where they differ.
- Where that ruler sits natallySign, house and condition. The reason the technique is useful at all.
- What is transiting the rulerThe shortlist a profection is for.
- The whole twelve-year cycleSo you can see which year of the cycle you are in and what came round last time.
What this calculator answers
Which house of your chart, and which planet, run this year of your life in this traditional technique.
How it calculates
Your age in whole years, modulo 12, counts houses from your Ascendant, one sign per year. The year turns at your birth time on your birthday, not on 1 January, or, if chosen, at the exact solar return. The ruler of the year is the planet that rules that sign in the traditional scheme.
When the result is uncertain
It needs an Ascendant, so with no birth time Umbriel gives no house and no ruler instead of guessing. The birthday and the exact solar return can differ by about a day, and then name different houses. Reading a ruler's year is tradition, not measurement.
Common questions
What is an annual profection?
A traditional timing technique that advances the chart one whole sign per year of life. Your age modulo twelve gives the house, and the planet ruling that house's sign is read as running the year.
When does my profection year change?
On your birthday, not on 1 January. For part of each calendar year you are still in the previous profected house.
What is a 'lord of the year'?
The planet ruling the sign on your profected house. Its natal condition and its current transits are what the technique directs you to look at.
Do I need a birth time for profections?
Your age decides the house: at 34 you are in an 11th-house year, and that needs only your birthday. The sign on that house, and the planet that runs your year, need your birth time, because the count starts from your Rising sign.
Can I check my profection by hand?
Yes, and that is part of why the technique lasted. Take your age in whole years and divide by twelve. One more than the remainder is the house, counted from your Ascendant: age 34 leaves 10, so the 11th house. The sign there gives the year's ruler.
What about monthly profections?
The same idea at a smaller scale. The year is divided into twelve, and each month profects one house further round. Umbriel shows the annual profection, which is the layer most practitioners use, and the monthly one is a straightforward extension of the same arithmetic.
Is the profections calculator free?
Yes: any age, both rulership schemes, and the ruler's transits, with no account.
Do I need an account or an email address?
No account for the chart. There is no sign-up and no email capture. The written reading is part of Membership, and the first seven days of that are free.
What to look at next
- Zodiacal ReleasingDivides a life into chapters and marks the peak periods, from the Lot of Spirit or Fortune.
- DecennialsDivides life into periods of ten years and nine months, each split among the planets.
- The LotsThe Part of Fortune, the Part of Spirit and the rest of the traditional lots.
Go deeper
Each of these is a free tool in its own right.
Umbriel offers every system here as a set of prompts to think with, never as a statement of fact about who you are. Take what's useful, leave the rest.