Monday Workers on blue buses, trolley buses, the electric railway and metro stage a five-hour work stoppage from 11 a.m. to 4 p.m. over financial demands. Protesters will demonstrate at noon in Omonia Sq and march to the Finance Ministry. Deputy Foreign Minister Yiannis Valinakis attends EU General Affairs meeting. To tomorrow. Alternate Culture Minister Fanni Palli-Petralia visits China. To Wednesday. Foreign Press Association holds a press conference featuring PASOK leader George Papandreou. Christmas shopping hours come into effect. Stores will be open continuously until 9 p.m. on weekdays, and to 6 p.m. on Saturdays. The Hellenic Society for the Protection of the Environment and Cultural Heritage holds a conference on «Bioclimatic Architecture,» at 10.30 a.m. at its premises, 28 Tripodon, Plaka. Deputy Development Minister Giorgos Salagoudis and Deputy Environment Minister Stavros Kaloyiannis to speak. Tel. 210.322.5245 or log on to www.ellinikietairia.gr. Tuesday Andreas Papandreou Institute for Strategic and Development Studies (ISTAME) holds a discussion on «Multiculturalism: Today’s Creative Coexistence,» at 6.30 p.m. at the Titania Hotel. Tel. 210.363.1745 or log on to www.istame.gr. Institute of International Relations hosts a conference on «Ukraine: A Year After the Revolution,» at 7.30 p.m. at its premises in Plaka. Ambassador of Ukraine to Greece Valerii Tsybukh to speak. Tel. 210.331.2325-7. Wednesday General Confederation of Greek Labor (GSEE) and Civil Servants’ Union (ADEDY) stage a 24-hour strike. Protesters will demonstrate at 1 p.m. at the Pedion tou Areos park. Bank Workers’ Federation (OTOE) participates in GSEE’s 24-hour strike. Greek federation of journalist unions POESY holds a four-hour work stoppage from 11 a.m. to 3 p.m. in solidarity with GSEE 24-hour strike. National School of Public Health opens a conference on «Innovation and Structural Reforms in the Health Sector,» at the Athens Hilton Hotel. To Saturday. Tel. 210.688.9100 or log on to www.healthcongress.gr. Thursday Public sector engineers stage a 24-hour strike over financial and employment demands. Public utilities employees stage a 24-hour strike. Protesters will hold a protest march at 6 p.m. to Parliament. Workers on blue buses, trolley buses, electric railway, suburban railway and metro stage a 24-hour strike over financial demands. Prime Minister Costas Karamanlis attends EU summit in Brussels. To Friday. PASOK leader George Papandreou chairs party’s parliamentary group. Hellenic Foundation for European & Foreign Policy (ELIAMEP) hosts a conference on «The Future Status of Kosovo,» at 12.30 p.m. at the amphitheater of the National Research Foundation. Tel. 210.725.7124 or log on to www.eliamep.gr. Saturday Athens University hosts a conference on «Tertiary Education: Thoughts and Proposals,» at 9 a.m. To Sunday. Tel. 210.727.4936 or log on to www.uoa.gr.