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PerfectCalendar

by Gsaslv1.3.0

Last updated

Zero-bloat Win32 taskbar calendar (~230 KB). Dark mode, flat-file events, bold day highlighting, global hotkey, idle transparency.

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Install with winget

$ winget install --id Gsasl.PerfectCalendar --exact --version 1.3.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

PerfectCalendar is a pure C / Win32 API taskbar calendar that boots silently to the system tray and weighs ~230 KB on disk — no .NET, no WebView2, no background sync daemon.

Key features: • Flat-file event scheduling (events.dat — plain text, always yours) • MCM_SETDAYSTATE bitmask highlighting — days with events appear bold • Wildcard recurring events: ****-12-25 (yearly), ****-**-01 (monthly) • Global hotkey (Ctrl+Shift+Space default) — summons to your cursor • Conflict-safe hotkey: shows tray notification instead of crashing • Idle fade transparency via WS_EX_LAYERED • ISO week-number column (MCS_WEEKNUMBERS) • Multi-format date copy (ISO 8601, US, long form) • UTC clock alongside local time • HiDPI / 4K aware, mouse-wheel font zoom • Explorer crash resilience (TaskbarCreated) • All settings persisted to HKCU registry

Installers · v1.3.0

ArchitectureTypeScopeInstallDownload
x64Portable-Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for PerfectCalendar.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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More from Gsasl or browse calendar, taskbar, tray.

Frequently asked questions

How do I install PerfectCalendar on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id Gsasl.PerfectCalendar --exact --version 1.3.0. winget downloads the installer from Gsasl and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install PerfectCalendar silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id Gsasl.PerfectCalendar --exact 1.3.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.
How do I uninstall PerfectCalendar via winget?
Run: winget uninstall --id Gsasl.PerfectCalendar --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from PerfectCalendar's Apps & Features entry.
Is PerfectCalendar free?
PerfectCalendar is distributed under MIT. Refer to the publisher (https://github.com/Gsasl/WinOptimizer_exe/tree/main/Calender_noBloat) for the full license terms - Wingetly itself does not charge for installation.
Does PerfectCalendar work on Windows 10?
Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls PerfectCalendar directly from the publisher.
How do I keep PerfectCalendar up to date?
Run winget upgrade --id Gsasl.PerfectCalendar --exact, or winget upgrade --all to update everything winget tracks. We index 2 versions of PerfectCalendar from microsoft/winget-pkgs.

Recent versions

  • 1.3.0latest
  • 1.1.0