Calendifier iconCalendifier

Calendifier

Desktop Calendar · World Holidays · Clock

A local-first desktop calendar that speaks your language and knows your holidays. Public holidays and cultural observances for 40 countries, an analog clock, events and notes, in one clean interface.

Download See features

Builds are published on the releases page as they ship.

Local-first·40 countries ·13+ languages·LGPL-3.0·Windows · macOS · Linux
What it does

A calendar that knows the whole world's dates

Calendifier brings international holidays, your own events and the time of day together, in your own language and on your own machine.

01

Holidays and observances

Far more than your own country's bank holidays.

  • Public holidays for 40 countries
  • Cultural observances on top of the official days
  • Countries shown in their native names (Deutschland, 日本, Catalunya)
  • Holiday region is independent of the interface language
02

Calendar, events and notes

The day-to-day, kept simple and predictable.

  • Month calendar with your events and notes
  • Recurring events via standard RRULE rules
  • Notes kept in a clean sequential order
  • Import and export so your data stays yours
03

Analog clock and accurate time

The time of day, shown well and kept correct.

  • An analog clock that scales to its space
  • Network time synchronisation
  • Timezone-aware throughout
  • Dark and light themes
04

Your languages, your machine

Internationalised to the core and local-first.

  • 13+ languages with native number and date formatting
  • Local SQLite storage, no account and no cloud
  • An optional Home Assistant web dashboard
  • Native installers for every platform
A look inside

See it in action

The calendar, the world's holidays and the clock, in a clean themed interface.

Calendifier main window: month calendar, analog clock, events, notes and the country and language selectors
The main window. The month calendar carrying the day's events alongside holidays and observances, the analog clock with network-synced time, a sticky note and the country and language selectors, all in the dark theme.
Get Calendifier

Install on your platform

Grab a build from the releases page, or build from source with the development guide. A Home Assistant web dashboard is available for running it in your smart home.

Windows

Per-user installer

A graphical installer that needs no administrator rights, registers a normal uninstall entry and adds shortcuts.

CalendifierSetup.exe Download for Windows
macOS

Disk image

A self-contained app bundle delivered as a drag-to-install disk image.

calendifier.dmg Download for macOS
Linux

Flatpak

A Flatpak bundle for the KDE runtime that runs on any modern desktop.

flatpak install --user calendifier.flatpak Download for Linux