- HD 1080
- Runtime: 108m.
- Status: Released
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- Languages: th
- Country: Thailand
- Director: Somkiat Vituranich
- Stars: Rachwin Wongviriya, Thanawat Wattanaputi, Pisanu Chutanimsakul, Payont Kongcharoen, Kunkanit Khumkrong
- keywords: 1970s, thailand, social class, chinese immigrant
- Production_studio: NGR
- Slogan: Someone spends the entire life to wait.
- The October Sonata is featured in the top rankings of 2009
- #22 in Top Romance Movies of 2009
- #89 in Top Drama Movies of 2009
When Sangchan and Rawee meet and fall in love the day before he leaves to study abroad, he promises to return on October 8th of every year to see her. As the years pass and new relationships arise, Sangchan's faith in their love is tested.