Internet Direct (Indy) Version 9.0.1 Beta
TIdDateTimeStamp.AsISO8601Week
The Indy timestamp as an ISO 8601 Week Date string.

property AsISO8601Week: String;
Description
AsISO8601Week is a read-only String property that returns the date/time as an ISO 8601 Week Date string. For example:

  2001-W1-2T00:00:01      // New Year's Day 2001
  2001-W52-2T23:59:59     // New Year's Eve 2001