The common way to say "Good morning" in Thai is "สวัสดี" (sawasdee), which is a greeting that can be used throughout the day and in any situation. If you want to specify that it's morning, you can say "สวัสดีตอนเช้า" (sawasdee ton chao), but most Thai people tend to use "สวัสดี" more frequently in everyday life. The overall atmosphere in Thailand during the early morning is lively yet serene. People start to engage in various activities, markets become bustling, there are sounds of monks collecting alms in some areas, and the aroma of breakfast wafts through the air. Morning travel may involve heavy traffic in major cities like Bangkok, but it’s also a great time to experience the local way of life. In general, greeting with the word "สวัสดี" along with a traditional Thai wai (a gesture of respect) will leave a good impression and help you connect better with locals, whether you are checking into accommodations, greeting vendors, or meeting tour guides. Learning these simple phrases will enhance your travel experiences in Thailand significantly.