As has been reported, very clearly, in this thread there will not be three weeks of water throwing, neither will there be a three weeks national holiday...
" The official national days, by the way, will remain April 13th to the 15th, with public holidays running to the 16th. Pattaya, as usual, will likely run from the 12th to about the 19th.
In terms of the 21 days, the thought process behind this is NOT 21 days of water throwing. Instead, it’s best to think about it like Christmas, in which decorations, music, cultural presentations, etc. will take place for the entire month. The idea for Songkran is similar, with events proposed across Thailand from April 1st to the 21st, almost all of them focused on religious, cultural, and traditional heritage aspects.
Yes, there will still be water play, but according to Thai officials it will be limited to the official days and not the whole three week period.
So, for now, readers can rest easy that this doesn’t mean 21 days of water throwing across Thailand".
Government offices will be closed for the official three (four?) day Songkran holiday.