Historically, this only occurred about the eve of the total moon. So the ideal time to go to Hoi An was in the complete moon. With the development of tourism in Hoi An, this now happens on a nightly foundation, so every day is the greatest time to go to! https://josueknonm.blogdal.com/39809170/helping-the-others-realize-the-advantages-of-hoi-in-an