Hi Robert
I think Andrew has given the information.
Daylight saving could always be set from the config.ini file but it was awful messy to get working right.
As of release 0.10.6.1 there is a plug in that will allow you to set Stellarium to any time zone with an adjustment for daylight saving.
My latest update patch is:
http://sarcasmogerdes.dyndns.org/ste...-patch0106.zip
Barry