As tweeted by Randy Pitchford, GearBox has release the dates and times of this weekends Golden Key Codes!
Here is the message from Gearbox:
"We'll be posting five sets of codes across 24 hours, specifically:
Friday, October 26 - 6PM CT (What time is that for me?)Each code will be active for three hours from its initial posting and will be usable once per account.
Friday, October 26 - 11PM CT (What time is that for me?)
Saturday, October 27 - 5AM CT (What time is that for me?)
Saturday, October 27 - 11AM CT (What time is that for me?)
Saturday, October 27 - 3PM CT (What time is that for me?)