May 1

Calan Mai

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

Yearly Date
May 1
Observed in
United Kingdom
Holiday Calendar
Last updated February 7, 2026 by the Holiday Calendar Team
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Introduction

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!

Calan Mai Timeline

Pre-10th Century
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.
1583
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.
1700s
Traditions Evolve
Practices like fetching of the Lady well’s water, singing traditional songs, and feasting became popularized during this period.
1800s
Rise of the Eisteddfod
The Eisteddfod, a Welsh festival of literature, music and performance, began highlighting Calan Mai traditions during annual gatherings.
1981
Restoration of Practices
Efforts by cultural organizations restored many old traditions like the Maypole dance and Beltane bonfires that had faded over time.
2021
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.

How to Celebrate Calan Mai

1

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.

2

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.

3

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.

4

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.

5

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 Calan Mai is Important

A

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.

B

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.

C

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.

Holiday Dates

Year
Date
Day
2023
May 1
Monday
2024
May 1
Wednesday
2025
May 1
Thursday
2026
May 1
Friday
2027
May 1
Saturday