Birth chart calculator

Example person

2000-01-01 · 12:00 UTC / Greenwich, UK

No account needed

Your chart starts here.

Enter your birth details to calculate your free chart.

Name on chart

Birth date

Birth time (local)

Search birthplace

Select a search result to update. GeoNames · CC BY 4.0

BirthplaceGreenwich, UK

51.4779° latitude · 0° longitude · UTC

Coordinates & time zone

Place name

Latitude

Longitude

Decimal degrees. North and east are positive; south and west are negative.

Birth time zoneUse an IANA zone such as Europe/London or Asia/Shanghai, or UTC. Historical daylight saving is applied for the chosen date.

Transit moment2026-09-05 · 00:00 · UTC

Transit date

Transit time

Transit time zone

Default: today at noon in your birthplace time zone. Custom settings stay until you reset them. Use an IANA time zone or UTC.

Calculation methodAlcabitius · Tropical · 5 aspects

Start with a house & zodiac setup

Setups keep your birth details, transit moment, aspects and orbs. Recalculate to apply changes.

Method defaults: Alcabitius, tropical, five major aspects and planetary moiety orbs. Birth details and transit time stay as entered.

House system

A time-based division using the Ascendant’s day and night arcs.

Zodiac

0° Aries follows the March equinox.

Aspects to include

Clear all to see positions and houses without aspect lines.

Planetary orbs

Moiety method: add half of each planet’s orb to set the allowed distance from an exact aspect. Each value can be 0–20°. A smaller orb includes only closer aspects.

Sun

Moon

Mercury

Venus

Mars

Jupiter

Saturn

Current allowed orbs: Sun + Moon 13.5° · Venus + Mars 7.5°

Western astrology · Seven traditional planets · Geocentric positions · Skyfield + JPL DE440

At extreme latitudes, some house systems are unavailable. The calculator reports an error so you can choose another system.

No account needed. Birth details are sent for calculation and saved only in this browser, along with your notes.

The sky at birthTropical · Alcabitius

Selected planet & connectionsSelect a planet or line

Explore the chart

EXAMPLE CHART · A FIRST READING

Build trust through work that lasts

For fulfilling work, the emphasis is on continuity, tangible value and a manageable pace. Work is also a question of personal authorship: which decisions do you need to own, and which responsibilities do you actually choose?

What you can build on

A capacity to explore is staying with a useful practice until it becomes dependable. Also consider the need for durable progress, responsibility and earned trust in study, wider perspectives and guiding beliefs. A workable approach can leave room for that need too.

What deserves attention

There may be a relatively easy route to cooperation between commitment and workable limits and ownership and recognition. Check that a familiar arrangement still supports both personal choices and how you show up and visible contribution, responsibility and reputation, instead of relying on habit alone. Keeping something familiar can become more important than checking whether it still serves you.

A small step to try

Keep one dependable habit and test one small change beside it. Use one current project or work agreement as the test.

Why this reading3 chart factors

House 10 begins in Capricorn; its traditional ruler is Saturn. Its actual placement links fulfilling work to personal choices and how you show up.
The traditional ruler of house 6 adds the context of study, wider perspectives and guiding beliefs.
A recorded natal-to-natal aspect. The other endpoint is Sun in Capricorn, house 10. Selected for its link to the theme, not as a measure of destiny or importance.

An original symbolic first reading of your natal chart, using traditional house rulers, placements and recorded aspects. It is not an AI-generated report or a prediction.

GO DEEPERIn development

AI full reading

Connect your career, relationship and money themes in one longer reading. Explore the planned report.

How to use the birth chart calculator

Choose Create your free chart and enter the date and local clock time on your birth record. Search for your birthplace, select a result and check its time zone. Use your birthplace, not where you live now. Recalculate to apply your details. Your current chart stays visible until the calculation succeeds.

What is included in the free chart?

A birth chart maps the sky for a birth time and place. Here you get seven traditional planets, houses, aspects and short symbolic readings for Career, Relationships, Money and Inner life. Open ‘Why this reading’ to inspect the chart factors used. Calculation settings let you compare house systems, tropical or sidereal zodiac, aspect types and orbs.

Do I need an account?

No. Chart access is free. Saved notes and their chart snapshots stay in your browser. Download a notebook backup before changing browsers or website domains, then import it at the new address.

What if I do not know my birth time?

This calculator needs a birth time. An assumed noon time does not recover it: the Ascendant, houses and house-based readings remain uncertain. Explore the labelled example while you check your record, and read the birth-time guide before using an estimate.

Is the AI full report available?

The AI full report is in development and cannot yet be generated or purchased. The free first readings use written symbolic rules connected to your chart factors.