Number of date per day change at DateMatching.bin on red underline in image below.

---
Same sex must change in code and rebuild MapServer/AgentServer/Client.
File: ./hseos/Date/SHDateManager.cpp
Code:
BOOL CSHDateManager::CLI_IsPossibleEnterDateZone()
{
#if !defined(_MAPSERVER_) && !defined(_AGENTSERVER)
CDateMatchingDlg* pDlg = GAMEIN->GetDateMatchingDlg() ;
if( ( pDlg &&
pDlg->GetChatingDlg()->IsOnChatMode() /*&& Disable gender check
HERO->GetGender() != g_csResidentRegistManager.CLI_GetChatPartner().stRegistInfo.nSex*/ )
{
return TRUE;
}
#endif
return FALSE;
}