redshift (1.9.1-4) unstable; urgency=medium Starting with version 1.9, redshift upstream has dropped support for determining location using GNOME Clock. Hence, users using the GTK variant of redshift need to provide the location information manually . The settings can be put into a file. Please refer to the manual page for details -- Ritesh Raj Sarraf Fri, 10 Oct 2014 13:02:10 +0530