Officers and staff of government, semi-government, autonomous and semi-autonomous institutions started with the 8am to 3pm office today to save electricity.
Government employees could be seen entering the Secretariat before 8am.
"A decision may also be taken to reduce the hours of private offices. However, no concrete decision has been made yet," said Md Tajul Islam, minister for local government, rural development and cooperatives in his office at the Secretariat on August 24.
Meanwhile, banking activities will go on from 9am-4pm from today as per the new hours. But the transaction period is 9am-3pm.
The government has also decided to keep all educational institutions in the country closed for two days a week on Friday and Saturday.
On Monday, the Cabinet Division chaired by Prime Minister Sheikh Hasina took the decision to run all government, semi-government, autonomous and semi-autonomous institutions from 8am to 3pm instead of 9am to 5pm daily.
Heavy traffic were seen on the roads as officers and staff were trying to reach their respective work places on time.