End of Daylight Savings Time will affect night mode.
Scheduled Maintenance Report for Canary
Completed
A permanent solution to automatically adjust night mode at the start of Daylight Savings Time has been put in place, we appreciate your patience while engineering sorted through this issue.
Posted Feb 15, 2017 - 12:50 EST
Scheduled
We are aware of an issue that will require users to manually adjust their night mode schedule after Daylight Savings Time ends on Sunday, November 6.

We are working on a permanent solution to automatically adjust night mode at the start of Daylight Savings Time next March, and appreciate your patience.
Posted Nov 04, 2016 - 15:59 EDT