Ardra Nakshatra
Deity: Rudra (Shiva) • Ruler: Rahu
Vishu / Puthandu / Baisakhi / Pohela Boishakh (Mesha Sankranti)
Mesha Sankranti marks the Solar New Year across India (Baisakhi, Vishu, Puthandu, Pohela Boishakh).
World Health Day
Celebrated to mark the founding of the World Health Organization (WHO).