Greek President Karolos Papoulias meets with his Albanian counterpart, Alfred Moisiu, in Ioannina. Greece-Albania joint ministerial committee will hold talks.

Foreign Minister Petros Molyviatis visits White House to attend celebrations with President George W. Bush marking Greek Independence Day. Molyviatis will also meet with UN Secretary-General Kofi Annan in New York.

Public Order Minister Giorgos Voulgarakis visits Hania as part of the initiative to curb illegal use of firearms in Crete.

Athens Stock Exchange to remain closed in observance of western Easter.

Communist Party President Aleka Papariga holds a press conference on the EU summit results, at noon at Zappeion Hall.

Left Coalition President Alekos Alavanos to meet with Palestinian charge d’affaires Ismat Sabri to discuss developments at the Jerusalem Patriarchate.

Central Union of Municipalities and Communities of Greece (KEDKE) holds a press conference at noon at its premises, 8 Gennadiou.

Shops in Larissa, Trikala and Karditsa prefectures in central Greece to remain closed in protest over government plans to extend shop hours.

Symposium on “Lawyers Before the Challenge of New Information and Communication Technologies,” to be held at the Athenaeum Inter-Continental hotel. Tel. 210.606.2160.

National Economy and Finance Minister Giorgos Alogoskoufis presents Greece’s revised Stability and Development Pact for 2004-2007.

Greece plays Albania at Athens’s Karaiskaki Stadium in World Cup soccer qualifier.

Alternate Culture Minister Fanni Palli-Petralia to present legislation on the post-Olympic use of Athens 2004 facilities.

Hellenic Society for the Protection of the Environment and Cultural Heritage is hosting a lecture on “Mediterranean Diet, Greek Traditional Food and Health,” at its premises, 28 Tripodon St in Plaka. Tel. 210.322.5245 or see www.ellinikietairia.gr.

Third European HIV Drug Resistance workshop on “From Basic Science to Clinical Implications” to be held at the Athens Hilton, 11.30 a.m. To Friday. For details see www.virology-education.com.

Athens University is hosting an event on “From the Clash of Civilizations to Cultural Tolerance: The Role of the Muslim Communities in a United Europe,” at the university premises, 5 p.m. Tel. 210.820.3108.

European Journalists’ Union to award Constantine Kalligas prizes at noon at the National Bank of Greece. Kathimerini columnist Eleni Bistika (Helbi) will be among the award-winners.

EuroFor (European Research Forum on Migration and Ethnic Relations) conference on “Multi-Level Governance of Immigration Flows,” organized by the Berlin Institute for Comparative Social Research (BIVS) in cooperation with EuroFor, to be held in Athens. To Sunday. For details see www.emz-berlin.de/eurofor.

Summer opening hours for stores and supermarkets begin. Stores will remain open until 9 p.m. daily and until 6 p.m. on Saturdays.

Second Panhellenic symposium on “Inspiration, Thoughts and Imagination in Environmental Education,” organized by the Hellenic Society for the Protection of the Environment and Cultural Heritage, at the University of Piraeus, 5 p.m. To Sunday. Tel. 210.322.5245 or see www.ellinikietairia.gr.