Yaowarat Road, Bangkok's Chinatown. Photo by bartosz wojciechowski on Unsplash
Have you noticed little yellow flags with red letters popping up around Bangkok? That means one of Thailand's most colourful food seasons is almost here. The Vegetarian Festival, or เทศกาลกินเจ (thet-sa-gaan gin jay), runs from 10 to 18 October 2026. For nine days, many people in Thailand change the way they eat, and the whole city starts to look and taste a little different.
If you live in Bangkok or you are learning Thai, this is a perfect moment to pick up some new words. Food is one of the easiest and most fun ways to practise a language, because you use it every single day.
What Is the Vegetarian Festival?
The festival comes from Chinese tradition and follows the Chinese lunar calendar. It lasts nine days and nine nights, from the first to the ninth day of the ninth lunar month. In 2026, many people also start a day early, on 9 October, as a "cleansing day" to prepare.
During this time, people who join the festival eat jay food. Jay is stricter than normal vegetarian food. People avoid:
- All meat, fish and seafood
- Eggs, milk and other animal products
- Strong-smelling vegetables such as garlic, onions, spring onions and Chinese chives
But Jay is not only about food. Many people also try to speak kindly, stay calm, and be good to others during the nine days. It is a time to reset the body and the mind.
The biggest and most famous celebration is in Phuket, with street processions and dramatic rituals. In Bangkok, Chinatown (Yaowarat) is one of the most popular places to explore jay street food, and you will also see jay menus at food courts, markets and convenience stores all over the city.
The Yellow Flag: Your First Thai Lesson
The easiest word to learn this month is right in front of you. The yellow flags show the Thai letter เจ (jay). When you see a flag like this outside a shop or food stall, it means they sell jay food.
- ธงเหลือง (thong lueang): yellow flag
- เจ (jay): food that follows the festival rules
- กินเจ (gin jay): to eat jay food, to join the festival
Fun fact: if you can read เจ on a flag, you have already read your first Thai word! Spotting it around the city is a great little reading game.
Useful Thai Words for Kin Jay Week
Food words
- อาหารเจ (aa-haan jay): jay food
- ร้านอาหารเจ (raan aa-haan jay): jay restaurant
- มังสวิรัติ (mang-sa-wi-rat): vegetarian (the everyday word, not as strict as jay)
- เต้าหู้ (tao-huu): tofu
- เห็ด (het): mushroom
- ผัก (phak): vegetables
- เนื้อสัตว์ (nuea sat): meat
- กระเทียม (gra-tiam): garlic
Phrases you can use today
- มีอาหารเจไหม (mii aa-haan jay mai?): Do you have jay food?
- ผมกินเจ / ฉันกินเจ (phom gin jay / chan gin jay): I am eating jay. (Men say ผม, women say ฉัน.)
- ไม่ใส่เนื้อสัตว์ (mai sai nuea sat): No meat, please.
- ไม่ใส่กระเทียม (mai sai gra-tiam): No garlic, please.
- อันนี้เจไหม (an nii jay mai?): Is this one jay?
- อร่อยมาก (a-roi maak): Very delicious!
Add ครับ (khrap) if you are a man or ค่ะ (kha) if you are a woman at the end of each sentence to sound polite and friendly.
Why Festivals Are Great for Learning a Language
Festivals give you a reason to talk. You can ask a street vendor what is in a dish, chat with a Thai friend about whether they are joining, or simply read the menu on your own. These small, real moments help new words stick much better than a long vocabulary list.
Here are a few easy ideas for this year's festival:
- Play "spot the flag." Count how many เจ flags you see on your way to work or class.
- Order one meal in Thai. Use just one phrase from the list above. One is enough to start!
- Try jay for one day. Even if you do not join for all nine days, one day of jay food is a fun cultural experience.
- Learn the menu words. Take a photo of a jay menu and look up three new words at home.
Every festival in Thailand is also a window into the culture. When you understand why people do something, the language around it starts to make more sense too.
Practise Your Thai with Us
Want to feel more confident ordering food, chatting with vendors and understanding daily life in Bangkok? Our Thai classes at Bubble Language School cover real, everyday Thai you can use straight away, from beginner to advanced, in group, private, online or hybrid classes.
Come and say hello! Contact us on LINE Official @ibe_education, email admin@bubblelanguageschool.org, call 092 854 5564, or visit bubblelanguageschool.org. We would love to help you enjoy this festival season in Thai. กินเจให้อร่อยนะ (gin jay hai a-roi na): enjoy your jay food!