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# What is a track with no time information?

You may see a warning message upon importing track logs that states that one, several or all of the tracks imported lack time information. That is they are made of a series of points for which the coordinates are known, but the time when they were recorded is not.
On Garmin devices this happens if you "save" a track. It is then stripped of time information and becomes useless to HoudahGeo.