Why not? As long as the "logo.jpg" stays on your website, it will be displayed again and again, I guess. Or what do you mean?
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Just be careful about the announced dates and times. The countdown (in the 2nd column) seems to be the criterion when the event starts; the date (in the 1st column) may be off by 1 day - depending on your time zone, especially in the east (from Europe across Asia to the Date Line).