Kill Switch Timeline
23rd March is a national holiday in Pakistan to commemorate the Lahore Resolution of 1940. Cell phones and wireless Internet services remained suspended on 23rd March, 2015 as part of security measures for Pakistan Day parade .
Islamabad and some areas adjacent to parade ground in Rawalpindi. Timing: 06 AM to 12 PM
Source http://www.dailytimes.com.pk/islamabad/23-Mar-2015/twin-cities-mobile-service-will-remain-suspended-today