: For most devices and apps it's really unclear how they internally save the timestamp information as one can only see how they expose the data APIs or data export formats. In those cases it can be any of the options I listed on the page (e.g. Fitbit does local time, no TZ info while Apple Health stores local time + TZ information). - [[User:Gedankenstuecke|Gedankenstuecke]] ([[User talk:Gedankenstuecke|talk]]) 14:14, 27 January 2022 (UTC) | : For most devices and apps it's really unclear how they internally save the timestamp information as one can only see how they expose the data APIs or data export formats. In those cases it can be any of the options I listed on the page (e.g. Fitbit does local time, no TZ info while Apple Health stores local time + TZ information). - [[User:Gedankenstuecke|Gedankenstuecke]] ([[User talk:Gedankenstuecke|talk]]) 14:14, 27 January 2022 (UTC) |