Mercurial > hg > forks > geeqie
view doc/docbook/GuideReferenceUTC.xml @ 2746:8bab8ac8ade0
Local time - UTC offset and daylight saving correction
Use GPS lat/long to provide local time corrected for UTC offset and DST
correction.
The corrected time is available in formatted.localtime
The selected timezone is available in formatted.timezone
author | Colin Clark <colin.clark@cclark.uk> |
---|---|
date | Wed, 25 Apr 2018 11:46:38 +0100 |
parents | |
children |
line wrap: on
line source
<?xml version="1.0" encoding="utf-8"?> <section id="GuideReferenceUTC"> <title id="titleGuideReferenceUTC">UTC and Daylight Saving Time (DST)</title> <para>Geeqie can display the local time at which a photo was taken, adjusted for UTC offset and Daylight Saving Time.</para> <para> If the image exif data contains the required parameters (see <link linkend="GuideReferenceXmpExif">Pre-formatted tags</link> ), Geeqie will use the latitude and longitude to determine which timezone the image was taken in. <para /> The UTC offset and Daylight Saving Time Correction for that timezone, combined with the GPS UTC value, will then be used to compute the correct local time. <para /> This value may be displayed in either the Info Sidebar or Overlay Screen Display by using the parameter <code>formatted.localtime</code> </para> <para> The timezone for the image may also be displayed by using the parameter <code>formatted.timezone</code> . </para> </section>