Monday 02 Jan New Year's Day (observed)
Monday 23 Jan Lunar New Year Festival
Tuesday 24 Jan Lunar New Year Festival
Wednesday 25 Jan Lunar New Year Festival
Thursday 26 Jan Lunar New Year Festival
Monday 02 Apr National Anniversary of Hung Kings
Monday 30 Apr Victory Day
Tuesday 01 May International Labor Day
Monday 03 Sep Vietnamese National Day (observed)
Source: http://vietnam.usembassy.gov/holidays.html