Holiday Calendar
23 holidays observed on this day
Saturday, August 15 2026

Saturday,
August 15 2026

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What August 15 celebrates

23 holidays observed around the world. Sorted by what people are loving today.

National Slay Day MOST LOVED TODAY
Fun Meme Culture United States

National Slay Day

Unleash your brilliance on National Slay Day, where we celebrate uniqueness, spark creativity, and embrace inclusion.

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02
National Relaxation Day
Observance
National Relaxation Day

Take a break and treat yourself to National Relaxation Day - indulge in yoga, a hot bath, or your favorite movie for some much-needed R&R!

Health Self-Care United States
03
World Honey Bee Day
Observance
World Honey Bee Day

Celebrate World Honey Bee Day by helping to protect these essential pollinators - plant bee-friendly plants, avoid pesticides, and support local beekeepers!

Nature Conservation International
04
International Homeless Animals Day
Awareness day
International Homeless Animals Day

Show your support on International Homeless Animals Day - adopt, donate, or volunteer to make a difference in the lives of animals in need!

Awareness Animal Welfare International
05
National Lemon Meringue Pie Day
Food observance
National Lemon Meringue Pie Day

Get ready to pucker up and indulge in the sweet tangy goodness of National Lemon Meringue Pie Day! Don't miss out on this delicious celebration.

Food Desserts United States
06
National Back To School Prep Day
Community Origin
National Back To School Prep Day

A practical observance on August 15 encouraging families to organize school supplies, coordinate schedules, and prepare students for the upcoming academic year.

School Back to School United States
07
Chant at the Moon Day
Community origin
Chant at the Moon Day

On Chant at the Moon Day, let your inner wild child out and howl at the moon with friends under a starry sky. Let's embrace our primal instincts!

Fun Silly International
08
National Leathercraft Day
Observance
National Leathercraft Day

Unleash your creativity on National Leathercraft Day and make something unique and stylish with leather! From belts to bags, the possibilities are endless.

Hobbies DIY United States
09
No Sponge Bob Day
Community origin
No Sponge Bob Day

Don't miss out on the special No SpongeBob Day party - join all your friends in Bikini Bottom for a fun-filled secret celebration!

Fun Silly United States
10
Hawaiian Shirt Day
Observance
Hawaiian Shirt Day

Embrace the vibrant spirit of Aloha by donning your colorful Hawaiian shirt on this fun-filled Hawaiian Shirt Day!

Style Fashion United States
11
World Greatness Day
Awareness day
World Greatness Day

On World Greatness Day, let's celebrate the amazing achievements of individuals and inspire each other to reach for greatness!

Awareness Values International
12
St Mary’s Day
Observance
St Mary’s Day

Let's honor and celebrate St. Mary's Day with prayers, blessings, and spreading love to those around us. Happy St. Mary's Day!

Religion Christian Romania
13
Check the Chip Day
Observance
Check the Chip Day

Don't forget to Check the Chip on this important day - make sure your pet's microchip information is up-to-date and keep them safe!

Animals Pets United States
14
Feast of the Assumption
Observance
Feast of the Assumption

Join in the celebration of Feast of the Assumption with delicious food, vibrant processions, and meaningful traditions honoring the Virgin Mary.

Religion Christian International
15
Foundation of Old Panama City
Observance
Foundation of Old Panama City

Uncover the rich history of Panama City by exploring its foundation - a fascinating journey through time and culture.

Culture Regional Panama
16
Indian Independence Day
Observance
Indian Independence Day

Celebrating Indian Independence Day - a day marked by historic bravado, national pride, and the spirit of freedom that echoes across the country.

Culture Civics India
17
National Jean Day
Observance
National Jean Day

It's National Jean Day for all the people named Jean - rock your favorite denim and show off your unique name!

Style Fashion International
18
Flooding of the Nile
Observance
Flooding of the Nile

Experience the ancient marvel of the annual Flooding of the Nile, a natural phenomenon that has sustained life and shaped civilizations for centuries.

Culture Civics Egypt
19
Founding of Asuncion in Paraguay
Observance
Founding of Asuncion in Paraguay

Discover the rich history and vibrant culture of Paraguay as we commemorate the founding of Asuncion, a city with endless charm and beauty.

Culture Regional Paraguay
20
Liechtenstein National Day
Observance
Liechtenstein National Day

Celebrate Liechtenstein National Day with a traditional parade, delicious food, and stunning fireworks to honor this beautiful country!

Culture Regional Liechtenstein
21
National Acadian Day
Observance
National Acadian Day

Get ready to party like a true Acadian on National Acadian Day - food, music, and cultural festivities await!

Culture Regional Canada
22
National Philip Day
Observance
National Philip Day

Calling all Philips! It's time to celebrate your name on National Philip Day and show some pride in being a part of this awesome community.

Names International
23
Assumption of Mary
Observance
Assumption of Mary

Join the vibrant celebrations of Assumption of Mary in Spain, filled with colorful processions, traditional dances, and mouth-watering feasts!

Religion Christian Spain
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ALSO HAPPENING

This week & month

29 month-long observances and 3 week-long ones that include August 15.

Happiness Happens Month
All of August
Happiness Happens Month
Health
Black Business Month
All of August
Black Business Month
Business
​Back to School Month
All of August
​Back to School Month
School
National Civility Month
All of August
National Civility Month
Awareness
National Traffic Awareness Month
All of August
National Traffic Awareness Month
Awareness
National Breastfeeding Month
All of August
National Breastfeeding Month
Awareness
Family Fun Month
All of August
Family Fun Month
Relationships
National Peach Month
All of August
National Peach Month
Food
National Sandwich Month
All of August
National Sandwich Month
Food
National Hair Loss Awareness Month
All of August
National Hair Loss Awareness Month
Awareness
National Immunization Awareness Month
All of August
National Immunization Awareness Month
Awareness
Psoriasis Awareness Month
All of August
Psoriasis Awareness Month
Awareness
National Language Month
All of August
National Language Month
School
American Artist Appreciation Month
All of August
American Artist Appreciation Month
Careers
Child Support Awareness Month
All of August
Child Support Awareness Month
Awareness
Summer Sun Safety Month
All of August
Summer Sun Safety Month
Health
National Golf Month
All of August
National Golf Month
Sports
National Wellness Month
All of August
National Wellness Month
Health
Elvis Week
August 9–17
Elvis Week
Culture
Buddhist Lent
July 30 – October 18
Buddhist Lent
Religion
Afternoon Tea Week
August 10–16
Afternoon Tea Week
Food
American Adventures Month
All of August
American Adventures Month
Travel
Brecon Jazz Festival
August 7–21
Brecon Jazz Festival
Pop Culture
National Eye Exam Month
All of August
National Eye Exam Month
Health
National Science Week
August 15–23
National Science Week
School
Children’s Eye Health and Safety Month
All of August
Children’s Eye Health and Safety Month
Awareness
Gastroparesis Awareness Month
All of August
Gastroparesis Awareness Month
Awareness
National Fishing Month
July 24 – August 30
National Fishing Month
Sports
South Asian Heritage Month
July 17 – August 17
South Asian Heritage Month
Culture
MedicAlert Awareness Month
All of August
MedicAlert Awareness Month
Awareness
Rawgust
All of August
Rawgust
Health
Spinal Muscular Atrophy Awareness Month
All of August
Spinal Muscular Atrophy Awareness Month
Awareness
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