One Day is a 2016 Thai-language Drama Romance motion picture written by Banjong Pisanthanakun, Chantavit Dhanasevi and Nontra Koomwong. The movie is directed by Banjong Pisanthanakun and produced by Jira Maligool, Chenchonnee Sunthornsaratul, Vanridee Pongsittisak, Suwimon Techasupinan and Weerachai Yaikwawong under the banner of Jorkwang films. This is a story about an IT worker called Denchai who doesn't get along with his co-workers well.He falls in love with one of his co-worker who he thought was different from others called Noui, apparently, the person is an adulterer with her boss who is already married. Then one day, they all went on a trip to Japan and at the end of the trip, Noui decided to commit suicide due to recently discovered that her boss will not get a divorce with his wife but failed and resulted in her losing her short term memory for a day. Denchai then decides to put this opportunity to good use by telling Noui that they are in love. One day stars Chantavit Dhanasevi and Nittha Jirayungyurn. Editing was done by Chonlasit Upanigkit. It was released on 27th October 2016. Distribution rights for the motion picture were acquired by GDH 559.