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Facebook api – How do I parse an ISO 8601 Timestamp in Go?

I know I need to use a time layout in Go (as shown here https://golang.org/src/time/format.go) but I can’t find the layout for an ISO 8601 timestamp.

If it helps, I get the timestamp from the Facebook API. Here is an example timestamp: 2016-07-25T02:22:33+0000

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4

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  1. Chosen as BEST ANSWER
    0

    I found this layout to work: "2006-01-02T15:04:05-0700"


  2. 0

    RFC3339 is equivalent to ISO 8601. Specifically, it has identical format, RFC3339 just has stricter requirements (example, it requires a complete date representation with 4-digit year).

    What's the difference between ISO 8601 and RFC 3339 Date Formats?

    So you can use the constant time.RFC3339 as your layout.

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  3. 0

    The problem here is that RFC3339 requires the zone offset to be given as "+00:00" (or "Z" in case of UTC) while ISO8601 allows it to be "+0000".

    From RFC3339:

    [...]

time-numoffset  = ("+" / "-") time-hour ":" time-minute
time-offset     = "Z" / time-numoffset

[...]

full-time       = partial-time time-offset
date-time       = full-date "T" full-time

    So instead of the time.RFC3339 layout

    "2006-01-02T15:04:05Z07:00"

    you have to use:

    "2006-01-02T15:04:05Z0700"
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  4. 0

    You have that to use the some layout of your date.

     data   := "2022-01-24T00:00:00.000-03:00"
 layout := "2006-01-02T15:04:05.000-03:00"

 dataTime, err :=  time.Parse(layout, data)
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