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Calan Mai

Get ready to welcome the arrival of summer with traditional Welsh celebrations on Calan Mai - dancing, singing, and bonfires await!

Saturday

May 2027

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEMay 1

OBSERVED INUnited Kingdom

CATEGORYCulture

SUBCATEGORYHeritage

INTRO

Introduction

PHOTO

Get ready to welcome the arrival of summer on May 1 with the ancient Celtic celebration of Calan Mai! This traditional holiday, also known as Beltane, has been celebrated for centuries as a way to honor the changing of seasons and the fertility of the land. It's a time for feasting, dancing around maypoles, and lighting bonfires to symbolize new beginnings. Today, this vibrant holiday is still celebrated in many parts of Europe with music, food, and colorful decorations. So get your flower crowns and dance shoes ready – it's time to embrace the spirit of Calan Mai!

TIMELINE

Calan Mai Timeline

Origins of Beltane

The roots of Calan Mai lie in the ancient Celtic festival of Beltane, marking the beginning of summer and fertility of the season.

First Written Mention

Welsh poet Gruffydd Robert composes a poem that gives a detailed description of Calan Mai customs, marking the first written mention of the holiday.

Traditions Evolve

Practices like fetching of the Lady well’s water, singing traditional songs, and feasting became popularized during this period.

Rise of the Eisteddfod

The Eisteddfod, a Welsh festival of literature, music and performance, began highlighting Calan Mai traditions during annual gatherings.

Restoration of Practices

Efforts by cultural organizations restored many old traditions like the Maypole dance and Beltane bonfires that had faded over time.

Modern Day Celebrations

Today, Calan Mai is celebrated with local festivals, music, parades, and virtual events due to the global pandemic, keeping the ancient tradition alive and vibrant.

GET INVOLVED

How to Celebrate Calan Mai

Attend a traditional Calan Mai celebration

Find a local event or festival that celebrates Calan Mai and experience the traditional customs and rituals associated with this holiday.

DECORATE

Decorate your home with flowers and greenery

In Welsh tradition, it is customary to decorate your home with flowers and greenery on Calan Mai. Get creative and make your own floral arrangements to bring some festive spirit into your home.

HAVE

Have a bonfire or light candles

Lighting fires and candles is a common tradition on Calan Mai, symbolizing the coming of summer. Gather some friends and family and have a bonfire or light candles to mark the occasion.

LEARN

Learn about Welsh mythology and folklore

Calan Mai is rooted in Welsh mythology and folklore. Take some time to learn about the stories and legends associated with this holiday and share them with others.

PREPARE

Prepare a traditional Calan Mai meal

Food is an important part of any celebration, and Calan Mai is no exception. Look up some traditional Welsh dishes and prepare a feast to enjoy with friends and family.

WHY THIS DAY MATTERS

Why Calan Mai is Important

It brings communities together

Calan Mai is traditionally a time for people to come together and celebrate in their communities. From parades and festivals to Maypole dances and feasts, it's a wonderful opportunity for friends and neighbors to bond and have fun together.

It has ancient roots.

Calan Mai, also known as Beltane or May Day, is a holiday with deep roots in ancient Celtic traditions. It was believed to mark the beginning of summer and was celebrated with bonfires, dancing, and fertility rituals.

It celebrates nature and rebirth

Calan Mai falls at a time when nature is bursting with new life - flowers blooming, birds singing, and warmer weather. It's a perfect opportunity to connect with the earth and celebrate the renewal and growth of the natural world.

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