From 5th of February 2019, countries like China, Taiwan, Thailand, Vietnam and many other nations start to celebrate the Chinese New Year and welcoming the year of the Pig.
The best time to visit Vietnam can be all year round. Is, perhaps, the country with the best weather in Southeast Asia and, despite some storms, is entirely possible to travel. Just check this interactive map.
Vietnam Visa application is such a straightforward process since it has Visa on Arrival, but before you get there, you need a letter of approval that you can get online. Get all info in this article.