جناب حقیقی
منظورتون استفاده از این روش هست ؟
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\TimeZoneInformation]
"Bias"=dword:ffffff2e
"StandardName"="Iran Standard Time"
"StandardBias"=dword:00000000
"StandardStart"=hex:00,00,09,00,04,00,02,00,00,00, 00,00,00,00,02,00
"DaylightName"="Iran Standard Time"
"DaylightBias"=dword:00000000
"DaylightStart"=hex:00,00,09,00,04,00,02,00,00,00, 00,00,00,00,02,00
"ActiveTimeBias"=dword:ffffff2e
"DisableAutoDaylightTimeSet"=dword:00000000

که daylight رو تغییر میده