pub fn format_iso8601_ms_local(ts_ms: TimeStampMs) -> Result<String, Error>Expand description
Format a timestamp with millisecond precision according to ISO 8601 format in the local timezone.
This function returns the timestamp in the format: YYYY-MM-DDThh:mm:ss.sss±hh:mm
where the ±hh:mm part represents the timezone offset from UTC.
Example: “2025-05-20T09:30:45.123-05:00”
For more details on ISO 8601, see: https://en.wikipedia.org/wiki/ISO_8601