This cannot work, unless you also specify a session to open in the command-line.
Anyway, the correct syntax is to use this from open command in the script:
https://winscp.net/eng/docs/rawsettings
Anyway, the correct syntax is to use this from open command in the script:
open your_session -rawsettings ConsiderDST=0
https://winscp.net/eng/docs/rawsettings