I wish a very happy Nowrouz to all people celebrating it around the world and my best wishes for health, happiness and wealth in everyone’s life. Barack Obama, The President of the United States of America, sent a special video message to wish happy Nowrouz to all the people celebrating it.
Now, the year in the Iranian calendar is 1388, and the beginning of the year is marked by the first day of spring, this year, March 20th 2009, and the year changed at 12:44:39 (Paris Time)
Nowrouz ( = New Day ) marks the beginning of spring and the new year in the Iranian calendar .
Read more about Nowrouz here.
I’ve had a previous post on Nowrouz, and the “7seen” table that might be interesting for you, and it’s written in both English and French.
Here’s the video message of President Obama, in which he wishes a happy Nowrouz to all people celebrating it.
“This year, the President wanted to send a special message to the people and government of Iran on Nowruz, acknowledging the strain in our relations over the last few decades. “But at this holiday we are reminded of the common humanity that binds us together,” he says.” 
, : http://www.whitehouse.gov/nowruz/