Arena Profile: Susan Del Percio. Susan Del Percio is a New York-based Republican strategist and founder of Susan Del Percio Strategies, a full service strategic communications firm. Her clients include private and non-profit corporations, leading candidates for public office and issue advocacy organizations.
Daylight Saving Time. DST started on Sunday, March 12, 2017 at 2:00 AM local standard time. DST ends on Sunday, November 5, 2017 at 2:00 AM local daylight time. See time changes/daylight saving time in other years. Weather.
Some places observe daylight saving time/summer time during the summer, and therefore use MDT (Mountain Daylight Time) in the summer. An email sent from someone in the Mountain Standard Time (MST) time zone will have the time zone listed as -0700 in the headers of the email.