Overview
The ERS online calendar is organized around four views:
day, week, month, and year. These links are always visible
at the upper left of the screen. The currently active
view is displayed in highlighted above the event listings.
If you filter by a product or category, the
resulting items will be presented in the same view from which you
started (day, week, etc.).
Once you have selected a filter, you may change views (day, week, etc.)
and you will still see only items matching that filter.
Navigation Arrows
The arrows  
on either side of the date at the top of the page allow you to
move forward or back in time by one unit, according to which view is active.
For instance, if the year view is active, click on the left arrow to see the
previous year's display; if the day view is active, click an arrow to see the
previous or coming day's items.
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