Can I change the timezone for my data?

Yes.  You can modify the time your data is displayed in using the UTC offset setting in your Data source settings.

Select Settings > Data sources from the top navigation, and choose your data source from the list.  The UTC Offset setting is located in the Basics tab.

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In the UTC Offset field, specify the amount of hours to match your timezone and save.

Any query you create in Interactive Mode will automatically be adjusted to display your data with the UTC offset information.

If you need to use the UTC offset setting in SQL Mode, see the article here.