The General Directorate of Borders Passport and Expatriates Affairs, Department of Traffic and Department of Nationality and Travel Documents will be working from 8.00 am to 1.00 pm in the morning and from 8.00 pm to 12 am in the evening.

Base on the Ministry of Interior
http://www.moi.gov.qa/site/english/news/2009/08/23/20872.html