In July and August 2015, the Japanese government ran a campaign to change the summer lifestyle of national civil servants, with work in the morning and early departure. Every Wednesday during the campaign, the government buildings in Kasumigaseki and elsewhere were, as a rule, to turn off their lights by 8 p.m. at the latest.
Employees who had come in early in the morning were, as a rule, to leave at the regular closing time.