Description from extension meta
My Chrome Extension
Image from store
Description from store
This extension allows easy conversion of natural language timestamps to a user-configured timezone
Usage: set your timezone in the extension popup, use your mouse to select text containing a timestamp, e.g. Sat Aug 17 2013 18:40:39 GMT+0900 (JST) or 9am PST, a popup containing the timestamp converted to your timezone will appear specifying the timestamp in your configured timezone.