'At'.

It is the @ ampersand am-----per-----sand you read it this way: "at" For example: Sep 11, 2014 @ 1:29:41 PM PDT = September 11th, 2014 "at" 1:29:41 PM Pacific Daylight Time (West Coast Time of the USA)

"At". @bruce, & is the ampersand symbol, meaning "and"

At

oh... okay... thanks guys.