Chamras Tasnalawat or Nay Myo Thant is a Thai rapper of Burmese descent, commonly referred to as "Sunny Day" who came to prominence in the early 2000s as a member of the Thai-American hip-hop group Thaitanium. His group has earned a dedicated fan base with releases like Thailand's Most Wanted (2006) and Still Resisting (2010).

He graduated from Tamalpais High School in Mill Valley, California. He is the owner of the clothing brand 9face Clothing. He once joined Tata Young on stage for a live performance of Michael Jackson's "Dangerous." Currently, he has a son and a daughter.