· Kalendom

Best day · Work

The best day to launch, by your natal chart

Your natal chart shows which days in the months ahead support launching a product.

The best day to launch a product can come when the Sun supports your Mercury, or Mars supports your Mercury.

Use your natal chart to find out when you’ll have them.

Date of birth
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What our astrology engine watches for this

A launch wants drive and visibility. Our astrology engine watches Mars, the Sun and Mercury and the parts of your chart for public standing and the work itself. A supportive Mars or Sun raises the day’s score; a tense one lowers it—a day better spent on final checks.

The planets that matter

  • Sun
  • Saturn
  • Mercury
  • Mars

The parts of your chart that matter

  • daily work & routine· 6th house
  • career & public standing· 10th house
Sun → work

Example: a strong day might come from Mars supporting your natal Sun, the tradition’s planet of vitality and visibility. Our astrology engine names a reason like that for every day it scores.

A real day, scored across every area

A real day, scored

Actual output from the Kalendom engine for 28 July 2026—not a mock-up.

JUPMERSUNMERJUPASC+10
28 July
SATJUPSATNEPURAMERNEPASC

Day scores

Overall61
  • Love46
  • Money54
  • Work63
  • Energy54

Above 50 leans supportive, below 50 leans tense.

The transits behind it

  • JUPMER

    worksupportivesextile

    Jupiter supports your Mercury (speech and deals), passing through the part of your chart about career and standing.

    Transiting Jupiter sextiles your natal Mercury (0.4° separating); moving through your 10th house, a work house.

  • SUNMER

    worksupportivesextile

    The Sun supports your Mercury (speech and deals), passing through the part of your chart about career and standing.

    Transiting Sun sextiles your natal Mercury (0.4° applying); moving through your 10th house, a work house.

  • JUPASC

    worksupportivesextile

    Jupiter supports your rising sign (how you come across), passing through the part of your chart about career and standing.

    Transiting Jupiter sextiles your natal Ascendant (0.5° applying); moving through your 10th house, a work house.

Every transit behind a work score

The same reasoning the product shows you—in plain words first, with the astronomy underneath.

Might support

vitality and what you are visibly known for; talking, writing, deals and the fine print; scope, generosity and where things widen.

From this day’s Sun, Mercury and Jupiter.

Handle carefully

structure, patience and what has to be earned; disruption and the sudden change of plan.

From this day’s Saturn and Uranus.

  • JUPMER

    worksupportive

    Jupiter supports your Mercury (speech and deals), passing through the part of your chart about career and standing.

    Transiting Jupiter sextiles your natal Mercury (0.4° separating); moving through your 10th house, a work house.

    sextile · orb 0.4° · house 10

  • SUNMER

    worksupportive

    The Sun supports your Mercury (speech and deals), passing through the part of your chart about career and standing.

    Transiting Sun sextiles your natal Mercury (0.4° applying); moving through your 10th house, a work house.

    sextile · orb 0.4° · house 10

  • JUPASC

    worksupportive

    Jupiter supports your rising sign (how you come across), passing through the part of your chart about career and standing.

    Transiting Jupiter sextiles your natal Ascendant (0.5° applying); moving through your 10th house, a work house.

    sextile · orb 0.5° · house 10

  • SATJUP

    worktense

    Saturn puts pressure on your Jupiter (growth), which sits in the part of your chart about career and standing.

    Transiting Saturn squares your natal Jupiter (1.1° separating); touching your natal Jupiter in your 10th house, a work house.

    square · orb 1.1° · house 10

+ 10 more supportive contacts behind the “+10” in the column.

How they become your day scores

Each number is the astrology engine's weighted sum of those transits—graded by what each planet rules, how close the contact is, and the day's overall strength.

The sky this month and next

  1. Venus and Mars in harmony.

    sextile

  2. Mars and Jupiter meet.

    conjunction

  3. The Sun and Mars at odds.

    square

  4. Mars moves into Virgo.

  5. Mars and Uranus at odds.

    square

  6. Mercury and Mars at odds.

    square

  7. The Sun and Mars in harmony.

    trine

  8. Mercury and Mars in harmony.

    trine

These dates are the same for everyone, so they can’t be precise for you. Read them on my natal chart

This page describes the general pattern

Your chart is unique—use the free calculator to see your exact dates, and test past dates free to check the Kalendom engine against your own life before you trust it forward.

Best day to launch a product—FAQ

Can astrology pick a launch day?
It shows the days your chart leans toward momentum and visibility, which you can use to time an announcement or release. The timing is a tailwind, not a guarantee—the work still carries it.
Is this just my sun sign?
No. It scores your full natal chart, so your best launch days are specific to your exact birth details rather than shared across your whole sign.
Can I check a past launch for free?
Yes—backtesting past dates costs nothing, so you can compare the score against a launch you remember before trusting the dates ahead.

The method

We read four hundred years of transit theory and programmed it into the Kalendom astrology engine.

Of everything astrology contains, one tradition exists to answer a single question: when. The Kalendom engine encodes that tradition whole—four centuries of transit doctrine, rule by rule, source by source—and turns it into something anyone can read: a 0–100 score for love, money, work and energy, every single day.

  • 1,460

    scores in your year ahead

    365 days × love, money, work, energy

  • 10 × 5 × 12

    planets, aspects, houses

    every combination pre-graded by the rulebook, nothing improvised

  • ~400 years

    of transit doctrine behind our algorithm

    from William Lilly’s tables to the modern transit literature—cited line by line

Don’t take our word for it—run it on a day you already lived.

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