The workers were constructing a toilet at a school next to the temple in Faridpur’s Madhukhali Upazila
President Md Abdul Hamid rejected the pleas at about 9.30pm on Saturday, hours after the two war criminals had sought presidential clemency for their crimes against humanity in 1971.
This ends all of the procedures before the execution of BNP leader Chowdhury and Jamaat-e-Islami Secretary General Mujahid.
Correspondents say security measures have been beefed up in and around Dhaka Central Jail, where they will be hanged.
Family members went to meet them.
The two are the first death-row war-crime convicts to seek mercy from the head of state.
The war criminals executed earlier -- Abdul Quader Molla and Mohammad Kamaruzzaman -- had declined to do so.