I am having a Date variable effectiveDt in the format Tue Oct 23 2018 00:00:00 GMT-0400 (Eastern Daylight Time)
I want to get the Zone id (eg. America/Dominica, US/Hawaii etc..) from the above date I tried effectiveDt.getTimezoneOffset() which gives only the offset value
Please suggest how to retrieve the zone id
Thanks in advance