When is the best time to visit Guimaras? How about…NOW! This is the time when the Guimaras Mango Festival or better known in Philippines as Manggahan Festival is taking place here. Guimaras Mango Festival is the event of the year of this beautiful, lush green Province of Philippines, held to honor the sweetest mangoes of the world that are grown in this area, as well as to commemorate the foundation of the Province of Guimaras. The celebration is usually held every April in Jordan. The first festival dates back on May 22, 1993, when the first anniversary of Guimaras as an independent province was commemorated. This year the Province of Guimaras is celebrating the 22nd Foundation Day.