So, if I am correct, I always have to specify `unix_epoch` as unit system 
for datetime field in the map, and then I have to correctly set my date 
format in the `raw_datetime_format` according 
to 
https://docs.python.org/2/library/datetime.html#strftime-and-strptime-behavior

Thanks,
Andrea

Il giorno sabato 16 luglio 2022 alle 05:28:10 UTC+2 gjr80 ha scritto:

> The dateTime entry in a wee_import field map is a special case.  Whereas 
> for other field map entries the mapped field is imported (and converted if 
> necessary) from the specified units, the dateTime source field actually 
> undergoes separate processing to derive the timestamp that is ultimately 
> used as the dateTime entry. I appreciate the explanation of the field map 
> in the Utilities Guide is somewhat misleading. Consequently, I have added a 
> clarifying note to the CSV [[FieldMap]] stanza in the Utilities Guide. 
> Since there are other changes to the Utilities Guide that are only 
> applicable to the next WeeWX release, the note I added will appear when the 
> next WeeWX release is published.
>
> Gary
>
>

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