# Dates and times

The Data Viewer uses the same date format used in all other areas of the InForm application, which is configured for a user on the User details page in the Admin user interface.

- All clinical data entered on a CRF appears in the InForm audit trail and in the Data Viewer Detail Pane using the local time zone for the site, which is stored in the database as Greenwich Mean Time (GMT).
- In the Data Viewer, dates recorded in the system other than those entered as clinical data on a CRF appear in the user’s local time, even though they were recorded in the study in GMT.

  To determine the user’s local time, the Data Viewer converts the GMT date time recorded in the InForm audit trail to the local time of the user’s browser.

The conversion to the user's local time affects the date of last change used to filter records, the date recorded and displayed in the audit trail, and the following fields in the Data Viewer Filters pane:

- Updated since date
- Updated since review
- Show expected forms

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