Adding BUILD_TIMESTAMP
to jenkins env vars,
See also: https://wiki.jenkins-ci.org/display/JENKINS/Build+Timestamp+Plugin
Set the timezone to corresponding city, such as America/New_York
to display Daylight Saving Time format when Daylight Saving Time is enabled.
Add more var names and formats if you need.
For additional variables you can define shift (days, hours, minutes) which will be added to build timestamp. This allows to run build plan with previous day specified as parameter.