Worldtime by Firefox user 12535897

This extension inspired by http://www.worldtimebuddy.com/.
It provides information about time of the day in different locations in very convenient way. As a data source it uses most recent version of IANA time zones database http://www.iana.org/time-zones, it accounts daylight saving time in different regions. Features:
- show active DST for different regions (if available)
- show UTC offset
- export to .ICS file which could be opened in outlook
- export directly into google calendar
- copy schedule into clipboard