If the country publishes the election (voting) results online, what is the timing of publication of results?

International Election Observation Mission, Republic of Bulgaria, Early Parliamentary Elections, 26 March 2017 (Statement of Preliminary Findings and Conclusion)

“Tabulation is ongoing and should, by law, finish by 16:00 on 3 April. The CEC started publishing the preliminary results online shortly after midnight broken down by polling stations, providing for transparency of election results.”