Zoharei Chama Synagogue (Hebrew: בית המדרש זהרי חמה, literally, "Sunrise Synagogue"), also spelled Zohorei Chama, colloquially known as the Sundial Building or Mahane Yehuda Clock Tower, is a three-story stone building with a wooden attic on Jaffa Road in Jerusalem, Israel, which features a huge, 5-metre (16 ft) diameter sundial on its façade.