Songkran and Loy Krathong

You can politely ignore most of the Thai festival calendar. Not these two. สงกรานต์ (sǒng-graan) shuts the country for a week in April and physically soaks you; ลอยกระทง (lawy grà-thong) fills every pond, canal and riverbank in November. One is a logistics exercise, the other is genuinely lovely, and both come with a short list of things a foreigner is expected to do and not do. This lesson is that list. Songkran is the Thai New Year. The official holidays are 13 to 15 April every year, which is why people wish each other สวัสดีปีใหม่ (sà-wàt-dii bpii mài), happy new year, in the middle of April. Underneath the water fight sit two quiet rituals, and knowing they exist changes how you read the whole week. รดน้ำดำหัว (rót náam dam hǔa) is pouring scented water over the hands of parents, grandparents and senior colleagues while asking their blessing for the year. สรงน้ำพระ (sǒng náam phrá) is gently bathing a Buddha image. The street battle is those two gestures scaled up and cut loose: water carries away the old year's bad luck. This matters practically, because if your Thai office or your partner's family invites you to a Songkran ceremony, it is the hands-and-blessing version. You trickle water over an elder's open palms and say a wish for them. The standard one is ขอให้สุขภาพแข็งแรงนะครับ (khǎw hâi sùk-khà-phâap khǎeng-raeng ná khráp), may you have strong health; a woman ends ná khá, and any wish that begins khǎw hâi... works. The elder then blesses you back, which is the actual point of the exchange: you came to receive the blessing, not to give one. You do not bring the water gun. On the street, from roughly 12 April until the 16th, assume total soaking the moment you leave your door. Phone in a sealed pouch, cash in a zip bag, passport at home, and wear things that dry. Strangers will also smear แป้ง (bpâeng), powder mixed into a wet white paste, on your cheeks; it is meant as friendly, though pressing it onto the faces of women who have not offered a cheek has become much less acceptable than it was a generation ago. Everyone on the street is fair game, including you, and the one response that genuinely costs you standing is visible anger. If you cannot get wet that day, the real options are staying in or a taxi door to door. A raised hand and ขอโทษ ไม่เล่นนะครับ (khǎw-thôot, mâi lên ná khráp), sorry, I am not playing, works perhaps half the time, which is why the pouch is not optional. Now the part that catches expats who have lived here under a year: what closes. Government offices, immigration, banks and most clinics take 13 to 15 off, and when those dates touch a weekend the bridge days stretch it toward five. If your extension, your 90-day report or anything at a visa office falls in mid April, do it the week before. Songkran is also the largest internal migration of the year, all of Bangkok going home upcountry, so trains, buses and flights sell out early in both directions. And the roads earn their own vocabulary: เจ็ดวันอันตราย (jèt wan an-dtà-raai), the seven dangerous days, one of the two deadliest weeks of the year on Thai roads (the Western New Year counts its own seven), driven by alcohol and motorbikes. Two rules follow directly. Do not ride a motorbike during Songkran, and never throw water at a moving rider. Thais do it too, and it kills people every single year. What is expected of you at Songkran is simple: join cheerfully or decline gracefully, nothing in between. Joining means a cheap water gun, a smile, สุขสันต์วันสงกรานต์ (sùk-sǎn wan sǒng-graan), happy Songkran, and accepting the bpâeng on your cheek. The lines you do not cross: no ice water, no monks, no police, no elderly people, no babies, no one carrying food or obviously working, and nothing resembling a grope in the crowd. Crowd groping is a real, publicly discussed problem every April, and a foreigner with wandering hands will not be given the benefit of the doubt. If a drunk stranger empties a bucket down your back at 9 in the morning, laugh, say ขอเบาๆ หน่อยนะครับ (khǎw bao-bao nàwy ná khráp), gently please, and keep walking. That sentence, delivered with a smile, is the entire skill. Where you live changes what Songkran is. Bangkok runs the industrial version, Silom and Khao San as walled water arenas with concert stages, while half the city has left for the provinces and the traffic thins to a whisper; some long-term residents plan their one beach trip of the year precisely for it. Chiang Mai's old-city moat sustains close to a full week of fighting. Pattaya and much of the Eastern Seaboard tack on วันไหล (wan lǎi) around 19 April, restarting the party after everyone else has dried off. In villages it still looks like what elders describe from their childhood: temple in the morning, a respectful trickle over grandmother's hands, water play only in the afternoon heat. Older Thais will tell you, accurately, that the all-day pickup-truck war is a recent escalation, and the government campaigns most years for a return to the polite version. Both versions are real, and if you get invited to the village one, that is the better invitation. One more shift to know about: since Songkran joined UNESCO's intangible cultural heritage list in late 2023, the government has promoted ever-longer official celebrations, with Bangkok stages and events sometimes running a full week or more. The street soaking still concentrates on 13 to 15, but check the year's announced dates before assuming the 16th is dry. Loy Krathong is the other pole: quiet, candlelit, one evening. It falls on the full moon night of the twelfth lunar month, which lands in November most years; in 2026 that is 24 November, but the date moves annually, so check. Unlike Songkran, Loy Krathong is not a public holiday. Banks, immigration and your office run as normal; the festival only exists after dark, so nothing on your calendar needs to move. A กระทง (grà-thong) is a small float, classically a slice of banana trunk dressed with folded banana leaves, flowers, a candle, three incense sticks and often a small coin. You float it to thank and to apologise to พระแม่คงคา (phrá mâe khong-khaa), the goddess of water, for a year of using and dirtying her rivers. Many people tuck in a fingernail clipping or a strand of hair so the year's bad luck sails away with it. You are not required to believe any of this. Treat it the way the culture does, as a courtesy extended to water, and the gesture makes sense on its own. Where to float one: any real body of water works, and cities open dozens of official spots. In Bangkok that means the Chao Phraya piers, the big park lakes like Benjakitti and Lumphini with marked launch zones, temple ponds, even condo and hotel ponds. Buy your krathong from the vendors at the water's edge; it supports the aunties who fold them and guarantees you materials the site accepts. Choose banana trunk and leaf. The bread version sounds greener but is now discouraged at park lakes and ponds: the fish cannot eat that much, and the leftover bread rots in the water, which is why Bangkok's parks push natural-material krathongs and why the yearly campaigns urge couples and families to share a single one. Bread is defensible only on a flowing river. Foam krathongs are banned across much of Bangkok, and with reason: city crews fish the night's krathongs out by the hundreds of thousands before dawn and publish the count the next day. The procedure itself: light the candle and incense, hold the krathong at chest height, make your wish or your apology, then lower it in with both hands and push it gently out. From a pier, not off a bridge. The North layers its own festival on top. ยี่เป็ง (yîi-bpeng) is the Lanna festival held around the same full moon in Chiang Mai, famous for the โคมลอย (khoom lawy), the sky lantern. Two practical warnings come with the postcard image. Launching lanterns outside the sanctioned zones and hours is illegal, because they land on roofs and in jet engines, and airlines cancel or reshuffle Chiang Mai flights around the lantern nights every year; if you are flying to or from the North that week, check your booking. Elsewhere in the provinces the night comes with firecrackers, temple fairs and beauty contests. And the generational drift is visible here too: for Thais under thirty, Loy Krathong is mostly date night, couples floating one krathong together and watching whether it glides away smoothly, with the apology to phrá mâe khong-khaa surviving as a single murmured line. The line survives, though, and that is the one to learn. So the expectations, side by side. At Songkran you are expected to be a good sport: waterproofed, smiling, careful around motorbikes and monks, gone from the road after dark. At Loy Krathong you are expected to be a quiet guest: buy the krathong on site, keep your voice down at the water's edge while people are wishing, say ขอขมาพระแม่คงคา (khǎw khà-maa phrá mâe khong-khaa), I ask the water goddess's forgiveness, and let it go. Neither festival asks you to perform Thainess. They ask for the same two things the whole culture asks for: keep your temper in April, and keep your voice down in November.