Born on August 15: Zodiac Sign & Birthstone

Anyone born on August 15 is a Leo. The August 15 birthstone is Peridot and the August 15 birth flower is the Gladiolus.

What it means to be born on August 15

A birthday on the 15th of August falls under Leo. Leo is a fixed fire sign ruled by the Sun, cast in tradition as the natural leader and performer, warm, generous and proud. The lion is its emblem. Leo season falls in the bright heart of summer.

What weekday August 15 falls on

A common year is 365 days, which is 52 weeks plus one day, so a birthday moves forward one weekday each year and two across a leap year. Over time it visits all seven. The next time August 15 falls at a weekend is 2027, on a Sunday.

The weekday August 15 falls on over the next ten years.
Year	Weekday	Weekend?
2026	Saturday	yes
2027	Sunday	yes
2028	Tuesday	no
2029	Wednesday	no
2030	Thursday	no
2031	Friday	no
2032	Sunday	yes
2033	Monday	no
2034	Tuesday	no
2035	Wednesday	no

Your August 15 birthstone and flower

Because August 15 sits in August, your birthstone is Peridot, a olive green gem traditionally meaning strength, light and good fortune. Your birth flower is the Gladiolus, which stands for strength of character, integrity and remembrance. Together they make a natural birthday pairing for a card, gift or tattoo.

Every tradition tied to August 15

Everything the calendar assigns to August 15, in one table.
Field	Value
Zodiac sign	Leo (July 23 to August 22)
Element and modality	Fixed Fire
Ruling planet	The Sun
Lucky colors	Gold and Orange
Modern birthstone	Peridot, olive green
Traditional birthstone	Sardonyx
Other recognized stones	Spinel (red to pink), Sardonyx (banded red-brown and white)
Birth flower	Gladiolus, with Poppy as secondary
Day of the year	228 of 366 and 227 of 365
On a sign boundary	no

Leo strengths and matches

Leo is often described as confident, generous and warm-hearted. In the traditional element model, Leo matches most easily with Aries, Sagittarius and Gemini. Those percentages come from a published formula you can check on the method page, not from a reading.

See the full birth profile

Want the shareable card for August 15? Open the birth profile tool, pick this date, and download a card to save or share. You can also read the full August overview, or browse every date we cover.

Frequently asked questions

What zodiac sign is August 15?

Anyone born on August 15 is a Leo, a fixed fire sign ruled by The Sun.

What is the birthstone for August 15?

The birthstone for August 15 is Peridot, the August birthstone, which is olive green. August also recognizes Spinel and Sardonyx.

What is the birth flower for August 15?

The birth flower for August 15 is the Gladiolus, the August birth flower, with the Poppy as a secondary flower.

What day of the week does August 15 fall on?

In 2026 it falls on a Saturday. Because a common year is 365 days, the weekday moves on by one each year and by two across a leap year, so it cycles through all seven over time. The table on this page lists the next ten years.

Where does August 15 fall in the year?

August 15 is day 228 of a leap year and day 227 of a common year.

Born on August 15