According to various news reports Bolivia is considering to change Time Zone from GMT-04 to GMT-05 in the winter 2009/2010 to prevent the spread of colds and the new seasonal influenza A strain H1N1. It would be the first time in Bolivian history that changes the time zone. Analizan en Bolivia cambiar el huso horario de invierno para evitar gripes (spanish) http://www.adn.es/sociedad/20090616/NWS-1425-Analizan-Bolivia-invierno-horar... cambiar.html El Gobierno quiere frenar incremento de los resfríos cambiando el huso horario (spanish) http://www.erbol.com.bo/noticia1.php?identificador=1689&bdatos=notiportada1 or (Spanish) http://www.worldtimezone.com/dst_news/dst_news_bolivia01.html Alexander Krivenyshev, http://www.worldtimezone.com