.NET timezone handling guidance for C# applications. Use when working with TimeZoneInfo, DateTimeOffset, NodaTime, UTC conversion, daylight saving time, scheduling across timezones, cross-platform Windows/IANA timezone IDs, or when a .NET user needs the timezone for a city, address, region, or country and copy-paste-ready C# code.
Install
npx skills add github/awesome-copilot --skill dotnet-timezonenpx skills add github/awesome-copilot --skill dotnet-timezone -a claude-code -gnpx skills add github/awesome-copilot --skill dotnet-timezone -a codex -ggemini skills install https://github.com/github/awesome-copilot.git --path skills/dotnet-timezonegh skill install github/awesome-copilot dotnet-timezonegit clone --depth 1 https://github.com/github/awesome-copilot /tmp/github__awesome-copilot
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/github__awesome-copilot/skills/dotnet-timezone ~/.claude/skills/dotnet-timezone # Claude Code
cp -R /tmp/github__awesome-copilot/skills/dotnet-timezone ~/.agents/skills/dotnet-timezone # Codex, Cursor, Gemini CLI, Copilot, OpenCode