Hechtsheim Christmas Market opens on Saturday, December 16, from 16:00 to 22:00, and on Sunday, December 17, 2017, from 15:00 to 20:00 on the Lindenplatz in Mainz-Hechtsheim.
Text source and more information about this event: http://www.vereinsring-hechtsheim.de/index.php?cat=Weihnachtsmarkt