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regarding the ESA Sentinel-3 file name convention I have got a question; which time zone (GMT, CEST, ...) does ESA use? I could not find anything yet, even it should be a critical point for many users...

There is no information given on the official website of ESA for the Sentinel-3 SLSTR-product as you can see here URL:https://sentinel.esa.int/web/sentinel/user-guides/sentinel-3-slstr/naming-convention

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This is the UTC time format according to the official source1, source2:

The time reference system in the SRAL/MWR Level-2 products is the Universal Time Coordinated (UTC).

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  • thanks a lot, @Mr. Che ! i hope this counts not just for Level 2 products, but also for Level 1B products?
    – ExploreR
    Commented Aug 28, 2019 at 9:33
  • @ExploreR See update
    – Comrade Che
    Commented Aug 28, 2019 at 9:37
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It is right there in the link you provided:

The file naming convention of SLSTR products (see this document for more details) is identified by the sequence of fields described below:

MMM_SL_L_TTTTTT_yyyymmddThhmmss_YYYYMMDDTHHMMSS_YYYYMMDDTHHMMSS_[instance ID]GGG[class ID].SEN3

[...]

yyyymmddThhmmss is the sensing start time

YYYYMMDDTHHMMSS is the sensing stop time

YYYYMMDDTHHMMSS is the product creation date

[...]

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  • thanks a lot for your answer, @Erik that´s what i have found out so far, but i am talking about the time format; UTC, CEST, GMT...
    – ExploreR
    Commented Aug 28, 2019 at 9:24
  • That's the time zone ;-)
    – Erik
    Commented Aug 29, 2019 at 12:04

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