The BSE and the National Stock Exchange will conduct the Diwali 'muhurat trading' on Monday from 6:15 pm to 7:15 pm, the exchanges stated. The block deal session will take place from 5:45 pm to 6 pm and the pre-opening session will be held from 6 pm-6:08 pm. This will mark the beginning of the new Hindu calendar year—Samvat 2079.