In the last national election, how many days did it take for the EMB to establish final results?

Electoral Code of the Republic of Armenia (as of 30^th June 2016)

Article 8
Publicity of Elections

8.10 During elections of the National Assembly, the Council of Elders of Yerevan, the Central Electoral Commission shall — no later than the day following the voting, starting at 00:00 — carry out tabulation of voting results by electoral precincts, service areas of district electoral commissions and electoral districts. The Central Electoral Commission shall finalise the tabulation of preliminary voting results and shall post them on the website of the Commission, with the possibility to download, no later than within one hour following the receipt of the latest information from the electoral precinct on the voting results, but no later than within 24 hours following the end of the voting.