Countdown announcements announce at the wrong time

[Nincodedo]

Countdown announcements announce at midnight of the timezone Ninbot is running rather than midnight of the server's timezone.

[create-issue-branch]

Branch issue/576-countdown-announcements-announce-at-the-wrong-time created!

[Nincodedo]

Now announcements don't seem to work properly at all. Countdowns scheduled same day announce properly and anything prior does not.