« All Events Today’s Hours April 19 at 10:00 am – 5:00 pm « Today’s Hours Today’s Hours » Reserve your timed-entry tickets online in advance. Details Date: April 19 Time: 10:00 am – 5:00 pm Event Category: Building Hours Website: www.osc.org/visit Venue Full Building Related Events Today’s Hours April 11 at 10:00 am – 5:00 pm Today’s Hours April 12 at 10:00 am – 5:00 pm Today’s Hours April 13 at 10:00 am – 5:00 pm + Google Calendar+ iCal Export