PaperclipOrg
Claude Agent Skill · by Github

Dotnet Timezone

Install Dotnet Timezone skill for Claude Code from github/awesome-copilot.

Install
Terminal · npx
$npx skills add https://github.com/microsoft/github-copilot-for-azure --skill azure-ai
Works with Paperclip

How Dotnet Timezone fits into a Paperclip company.

Dotnet Timezone drops into any Paperclip agent that handles this kind of work. Assign it to a specialist inside a pre-configured PaperclipOrg company and the skill becomes available on every heartbeat — no prompt engineering, no tool wiring.

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Pre-configured AI company — 18 agents, 18 skills, one-time purchase.

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Source file
SKILL.md109 lines
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---name: dotnet-timezonedescription: '.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.'--- # .NET Timezone Resolve timezone questions for .NET and C# code with production-safe guidance and copy-paste-ready snippets. ## Start With The Right Path Identify the request type first: - Address or location lookup- Timezone ID lookup- UTC/local conversion- Cross-platform timezone compatibility- Scheduling or DST handling- API or persistence design If the library is unclear, default to `TimeZoneConverter` for cross-platform work. If the scenario involves recurring schedules or strict DST rules, prefer `NodaTime`. ## Resolve Addresses And Locations If the user provides an address, city, region, country, or document containing place names: 1. Extract each location from the input.2. Read `references/timezone-index.md` for common Windows and IANA mappings.3. If the exact location is not listed, infer the correct IANA zone from geography, then map it to the Windows ID.4. Return both IDs and a ready-to-use C# example. For each resolved location, provide: ```textLocation: <resolved place>Windows ID: <windows id>IANA ID: <iana id>UTC offset: <standard offset and DST offset when relevant>DST: <yes/no>``` Then include a cross-platform snippet like: ```csharpusing TimeZoneConverter; TimeZoneInfo tz = TZConvert.GetTimeZoneInfo("Asia/Colombo");DateTime local = TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, tz);``` If multiple locations are present, include one block per location and then a combined multi-timezone snippet. If a location is ambiguous, list the possible timezone matches and ask the user to choose the correct one. ## Look Up Timezone IDs Use `references/timezone-index.md` for Windows to IANA mappings. Always provide both formats: - Windows ID for `TimeZoneInfo.FindSystemTimeZoneById()` on Windows- IANA ID for Linux, containers, `NodaTime`, and `TimeZoneConverter` ## Generate Code Use `references/code-patterns.md` and pick the smallest pattern that fits: - Pattern 1: `TimeZoneInfo` for Windows-only code- Pattern 2: `TimeZoneConverter` for cross-platform conversion- Pattern 3: `NodaTime` for strict timezone arithmetic and DST-sensitive scheduling- Pattern 4: `DateTimeOffset` for APIs and data transfer- Pattern 5: ASP.NET Core persistence and presentation- Pattern 6: recurring jobs and schedulers- Pattern 7: ambiguous and invalid DST timestamps Always include package guidance when recommending third-party libraries. ## Warn About Common Pitfalls Mention the relevant warning when applicable: - `TimeZoneInfo.FindSystemTimeZoneById()` is platform-specific for timezone IDs.- Avoid storing `DateTime.Now` in databases; store UTC instead.- Treat `DateTimeKind.Unspecified` as a bug risk unless it is deliberate input.- DST transitions can skip or repeat local times.- Azure Windows and Azure Linux environments may expect different timezone ID formats. ## Response Shape For address and location requests: 1. Return the resolved timezone block for each location.2. State the recommended implementation in one sentence.3. Include a copy-paste-ready C# snippet. For code and architecture requests: 1. State the recommended approach in one sentence.2. Provide the timezone IDs if relevant.3. Include the minimal working code snippet.4. Mention the package requirement if needed.5. Add one pitfall warning if it matters. Keep responses concise and code-first. ## References - `references/timezone-index.md`: common Windows and IANA timezone mappings- `references/code-patterns.md`: ready-to-use .NET timezone patterns