Your attitude number in numerology is your birth month plus your birth day, reduced to a single digit. Numerologists read it as your default outlook and the attitude people sense in the first few minutes: brisk or easygoing, curious or careful. Someone born on October 27 adds 10 + 27 = 37, then 3 + 7 = 10, then 1 + 0 = 1, an attitude number 1.

It's one of the quickest numbers to work out and one of the most fun to test, because you can check it against the people you know.

How to calculate your attitude number

Add the number of your birth month to your birth day and reduce. You can add the full numbers, or reduce each part first; the final single digit comes out the same.

October 27:

  • Full numbers: 10 + 27 = 37, then 10, then 1.
  • Parts first: October is 1 + 0 = 1, and 27 is 2 + 7 = 9. Then 1 + 9 = 10, then 1.

February 9:

  • 2 + 9 = 11. Many numerologists keep this as a master attitude number 11, read alongside its root, 2.

November 29:

  • Full numbers: 11 + 29 = 40, then 4.
  • Parts first, keeping master numbers: November is 11 and the 29th is 2 + 9 = 11. Then 11 + 11 = 22, a master number.

That last example shows the one place method matters. Both routes agree on the root (22 sits on top of 4), but only the parts-first method shows the master number. If you like to keep master numbers, pick a method and use it every time.

The birth year doesn't come into it. Everyone born on October 27 shares an attitude number, whatever the year.

Attitude number vs personality number

Both numbers are said to describe how you come across, so they're easy to confuse.

  • The attitude number comes from your birth date. Numerologists read it as your outlook: the mood you carry into a room and how you react when something unexpected happens.
  • The personality number comes from the consonants of your full birth name. It's read as your presentation: the impression your manner, style and conversation create. Our guide to the personality number explains how to find it.

Astrology has a parallel. The rising sign is read as the first impression in a birth chart, distinct from the Sun sign at the core. If you know your chart, our explainer on the Sun, Moon and rising sign shows how astrologers separate the three.

The nine attitudes

Attitude 1

Direct, confident, a little impatient. Arrives with an opinion and a plan. People read you as a leader before you've said much. The risk: coming across as brusque when you're simply focused.

Attitude 2

Gentle, observant, tactful. You notice how everyone in the room is feeling and adjust. People find you easy to talk to. The risk: going along with things to keep the peace.

Attitude 3

Warm, funny, chatty. You make introductions and break silences. People remember your stories. The risk: seeming less serious than you are.

Attitude 4

Steady, practical, reliable. You ask the useful question and arrive on time. People trust you quickly. The risk: seeming rigid or reserved at first.

Attitude 5

Lively, curious, restless. You want to know what's new and what's next. People find you exciting company. The risk: seeming hard to pin down.

Attitude 6

Kind, responsible, protective. You offer a drink before anyone asks. People feel looked after. The risk: taking on problems that aren't yours.

Attitude 7

Quiet, thoughtful, a little guarded. You listen first and speak when you have something to say. People find you intriguing. The risk: seeming aloof.

Attitude 8

Assured, capable, businesslike. You size up a situation quickly. People assume you're in charge, sometimes before you are. The risk: seeming intimidating.

Attitude 9

Open-hearted, worldly, generous. You talk to everyone and remember their names. People feel accepted. The risk: spreading yourself thin.

Master attitudes 11 and 22

A master attitude, when you keep it, is read as an intensified version of its root.

  • Attitude 11 has the 2's sensitivity plus a strong intuitive streak. People often say they felt understood by you almost immediately, and you may feel other people's moods a little too keenly.
  • Attitude 22 has the 4's practicality plus scale. You come across as someone who could run something big, and you're often asked to.

Our guide to master numbers explains why numerologists keep 11, 22 and 33 whole.

Where your attitude number shows up again

The month-plus-day sum isn't only the attitude number. It turns up in two other places in numerology:

  • Your first pinnacle. The first of the four pinnacle numbers, which covers the years from birth to about your thirties, is calculated the same way: month plus day. So your attitude is also the theme of your early life.
  • Your personal year in a universal 9 year. Your personal year number is your birth month plus day plus the calendar year. When the calendar year itself reduces to 9, as 2025 did and 2034 will (2 + 0 + 3 + 4 = 9), adding it doesn't change the root, so your personal year equals your attitude number. Numerologists read those years as a time when your natural attitude is especially visible.

You can find the full set of date and name numbers, including your life path number, in our overview of the core numbers in numerology.

Questions readers ask

Is the attitude number the same as the birthday number?

No. The birthday number is the day of the month alone. The attitude number adds the month as well. Someone born on the 27th has a birthday number of 27 (or 9), but their attitude number depends on the month: October 27 gives 1, March 27 gives 3 + 9 = 12, then 3.

Can my attitude number change?

No. It comes from your birth month and day, which never change. What changes is how you use it: many people find the "risk" side of their attitude softens as they get older.

Why don't I feel like my attitude number?

The attitude number is said to describe your first impression and default outlook, which other people often see more clearly than you do. Try asking a friend which of the nine descriptions fits you. If none does, that's a useful answer too: numerology is a set of prompts, not a verdict.