def dateString = '2017-09-08 14:00:00+0200'
def dateFormat = 'yyyy-MM-dd HH:mm:ssZ'
def millis
= Date.
parse(dateFormat
, dateString
).
timeprintln millis
ZGVmIGRhdGVTdHJpbmcgPSAnMjAxNy0wOS0wOCAxNDowMDowMCswMjAwJwpkZWYgZGF0ZUZvcm1hdCA9ICd5eXl5LU1NLWRkIEhIOm1tOnNzWicKZGVmIG1pbGxpcyA9IERhdGUucGFyc2UoZGF0ZUZvcm1hdCwgZGF0ZVN0cmluZykudGltZQpwcmludGxuIG1pbGxpcw==