January 31 Birthday

Zodiac sign, birthstone, birth flower and more for everyone born on January 31.

January 31 zodiac sign: Aquarius

Despite the Water-bearer symbol, Aquarius is an air sign. It is linked with new ideas, friendship, community and doing things differently.

More about January birthdays

How common is a January 31 birthday?

January 31 is the 279th most common birthday in the US out of 366. An average of 10,927 babies were born on it each year from 1994 to 2014, 2% fewer than on an average day.

Based on US birth records, 1994–2014. See every date ranked.

What day of the week was January 31?

Here’s the day of the week January 31 fell on each year, and the Chinese zodiac animal for someone born that day.

Chinese New Year falls between January 21 and February 20, so the animal for January 31 depends on the year. In some years it belongs to the previous year’s animal.

More about January 31

Want your exact age or a countdown? Try the age calculator on our sister site Day Count Box.

January 31 birthday questions

What zodiac sign is January 31?

People born on January 31 are Aquarius (♒), the Water-bearer. Aquarius season runs from January 20 – February 18.

What is the birthstone for January 31?

The birthstone for January 31 is the January birthstone: garnet.

What is the birth flower for January 31?

January’s birth flowers are the carnation and snowdrop.

Is January 31 on a cusp?

No. January 31 is well inside Aquarius season, so the sign is the same whatever the year.

How rare is a January 31 birthday?

January 31 is the 279th most common birthday in the US out of 366. An average of 10,927 babies were born on it each year from 1994 to 2014, 2% fewer than on an average day.

What day of the year is January 31?

January 31 is day 31 of the year, or day 31 in a leap year.

Other January birthdays

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