The BSE and NSE will extend trading hours from 24 September 2008 on account of disruption of satellite services due to sun outage. Trading will start as usual at 9.55 IST, but will be suspended between 11.25 IST and 12.10 IST. The day’s session will end at 16.15 IST. The new trading timing will be effective till 8 October 2008.

What is sun outage?

A sun outage is an interruption in or distortion of geostationary satellite signals caused by interference from solar radiation