Live sky · Mercury is retrograde in Scorpio today

An astrologer who already knows your chart.

Mercury works your chart out meticulously before it says anything, then reads it with you. We’re in a closed beta for now, so it’s by invitation.

Request an invite I have an invite code

Meet Mercury I already have an account I’m an astrologer

Third House’s own chart, drawn by the engine that will draw yours.

100%of the chart facts in Mercury’s readings were right in our test. The best AI chatbot got about 90% · see the test

4 traditionseach worked out exactly and read by its own rules. Chatbots get shaky outside Western astrology.

< 50 msto work out your chart in all four traditions. The best AI chatbot took almost 4 minutes for one.

< 1″from NASA, checked against its JPL ephemeris for every planet since 1900 · how we check

Mercury

A chart as accurate as NASA’s, and it already has yours.

We don’t guess, we interpret. Mercury doesn’t do the math itself, because AI chatbots are honestly bad at it and get worse the further you venture beyond Western astrology (see why). Our engine works your chart out exactly, in all four traditions, and Mercury reads from that.

It remembers you. Tell it about the new job once and next week it already knows.
It reads the sky against your chart, today or on any date you name.
It speaks four traditions, so you can ask your Vedic chart and your Western one the same question and get two legit different answers.
It can compare you with someone, in the way each tradition prescribes.

In the beta, every tester gets all of it: memory, every tradition, any date and comparing two people.

Mercuryreading Third House’s own chart, the wheel above

what is this chart actually for?

Mercury at 4°20′ Leo, third house — the messenger in the one house it is happiest in. Then Sun, Moon and Jupiter stacked together in Leo in the fourth: something made at home, for the pleasure of making it, that still very much wants to be seen. Taurus rising keeps it slow and built to last.

and the difficult part?

Mercury opposite Pluto, under half a degree. Every sentence wants to go further down than the room asked for. Useful in a reading. Exhausting at a party.

Why Third House

We take astrology seriously.

We think astrology is a genuinely useful tool, and it deserves to be done properly, which means honoring three thousand years of method, worked out with modern precision and read by each tradition’s own rules.

Respect for the tradition

Four living traditions, and we treat each one like the serious body of knowledge it is.

Fidelity to the method

Everything is worked out exactly and checked against NASA, and we name our sources.

Useful in your life

A tool for making sense of yourself, your people and the season you’re in. The deciding is still yours.

What we stand for

Four traditions

One birth moment, read four different ways.

Western · at a glance

Zodiac: Tropical, tied to the seasons
Houses: Placidus
Reads first: Sun, Moon, rising and the aspects
Times life by: Transits

See it drawn in full

Vedic · at a glance

Zodiac: Sidereal, tied to the stars
Houses: Whole signs, drawn as a diamond
Reads first: The lagna and the Moon’s nakshatra
Times life by: Dasha periods

See it drawn in full

Hellenistic · at a glance

Zodiac: Tropical
Houses: Whole signs
Reads first: Sect, whether it’s a day chart or a night one
Times life by: Annual profections

See it drawn in full

BaZi · at a glance

Built from: The calendar: year, month, day, hour
Reads first: The day master
Weighs: The balance of the five elements
Times life by: Ten-year luck pillars

See it drawn in full

Third House’s own chart, cast in Los Angeles. See them side by side →

What people use it for

It's an old language, and people use it for very modern problems.

Ask MercuryWhy do I need so much time alone to recharge?Try it with your chart

Ask MercuryWhy do my sister and I always clash over plans?Try it with your chart

Ask MercuryWhy has this year felt so heavy, and when does it lift?Try it with your chart

Ask MercuryWhat do people notice about me first?Try it with your chart

Ask MercuryIs there a good day this month to start something new?Try it with your chart

Ask MercuryHow does my chart read in Vedic astrology?Try it with your chart

Ask Mercury · Knowing yourselfWhy do I need so much time alone to recharge?Try it with your chart

Where astrology comes from

The beta

We're letting people in a few at a time.

Third House is in a closed beta, so we can listen closely and make it better between each wave. Testers get Premium for free, one written report on us, and the founding price if they decide to stay.

I have an invite code

If you don’t have an invite yet, leave your email and we’ll send one when there’s room in the next wave.

PremiumMemory, all four traditions, any date and comparing two people, free for the whole beta.
One reportAny of the five kinds, written from your chart and yours to keep.
No cardNothing on the site takes a payment. Reserve a founding membership if you like it, and we’ll ask before charging a cent.
AstrologersReal, vetted astrologers join after the beta, once Mercury is where we want it, and you can book them then.

For astrologers

Read for people on Third House after the beta, and get on the list now.

We’re keeping the beta to Mercury until it’s where we want it, so the astrologer side of Third House opens after that, starting with the application. Leave your email and we’ll write the day it opens.

VettedWe read every application ourselves before a profile goes live.
Your priceYou set the price per minute, and clients watch a running meter.
IntroducedWhen a question needs a person, Mercury suggests astrologers whose specialties fit.