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If searching Wikipedia has not answered your question (for example, questions like "Which country has the world's largest fishing fleet?"), try the Reference Desk. Volunteers there will attempt to answer your questions on any topic, or point you towards the information you need.
If you do this, Wikipedia will show all times in Recent changes, page histories, and contribution histories based on your local time zone. However, when you sign a talk page with ~~~~, the timestamp is created in text, so it has to be displayed in UTC. Automated logs such as image file uploads are also shown in server time (UTC).