FAQ

Questions people ask before they start

24 questions in 6 groups: what the calculator does, how the numbers are produced, what it needs from your birth data, where your data lives, and where the limits are. If something is not answered here, ask the assistant inside the app.

Method and formulas

Getting started

What this is, what it needs from you, and what you get back.

What is Daojitong, in one paragraph?

It is a calculator for people who are trying to work out where they actually stand: you enter bi…

How do I get my first result?

Create an account, add one profile with a birth date, a birth time and a birthplace, and open th…

What do you need from me?

A birth date and, for a full chart, a birth time and a birthplace. The hour pillar depends on th…

Which areas does it cover?

Ten domains: career, wealth, love, health, mindset, growth, family, freedom, friendship and cogn…

How the numbers work

Which parts are calendar facts, which are our own model, and how to check them.

How are the scores computed?

Each domain has a fixed vector over the ten gods and a fixed fingerprint over the five phases; t…

Which parts are facts and which are your model?

Three layers, labelled separately. Calendar and astronomy (solar terms, the equation of time, tr…

Can I check the numbers myself?

Yes, and that is what the formula and method pages are for: each entry gives the mathematical fo…

Why does the guidance change when I switch period?

Because the guidance is read for the period you selected, not once from the birth chart. Switchi…

Where can I read the formulas?

The method page collects all of them, and each one also has its own page giving the mathematical…

Birth data and accuracy

Birth time, longitude, the day boundary, and comparing two people.

What if I do not know my exact birth time?

Two options. You can start with an approximate time and read the output with the uncertainty not…

Do you adjust for longitude and the equation of time?

Yes. The calculation first applies a longitude correction and the equation of time, which is wha…

Does the day change at 23:00 or at midnight?

The chart uses the late-zi convention: the day pillar turns over at 00:00, while the hour pillar…

How does the comparison work? Is it matchmaking?

Comparison reads two charts against each other with fixed rules: how the day branches interact, …

Data and privacy

Where your data lives, what sync does, and how to take it back.

Where is my data stored?

By default on your own device. If you switch on cloud sync, your profiles and records are also s…

What does cloud sync actually do?

It keeps one copy of your profiles, records, period reads and notes on the server, keyed to your…

Can I export or delete my data?

You can delete individual records, profiles or your whole account from the account page, and del…

How is my account protected?

Passwords are stored as salted hashes, sessions are carried by a token that is validated server-…

Account and payment

Why an account is needed, what is free, and how to stop paying.

Is it free?

Reading your own chart is free: the ten domains, the period chain, the almanac, the formula page…

Why do I need an account?

So that profiles, records and results persist and follow you between phone and computer. It take…

Is there a mobile app?

The site installs to your home screen as a web app, which is the recommended route and needs not…

How do I stop paying or remove a plan?

From the account page: a plan can be cancelled there and stays active until the end of the paid …

AI and what we do not claim

What the assistant may and may not do, and where the limits are.

Can the assistant make up numbers?

It is built not to: the assistant only reads results your profile has already produced, and wher…

Do you predict the future?

No. The calendar layer is astronomy and can be verified; the classical layer runs fixed tables; …

Is this a substitute for professional advice?

No. Nothing here is financial, medical, legal or psychological advice, and it should not be used…