Horst Schaeffer's Calendar is a freeware calendar that is small and uses minimal resources.

Horst Schaeffer's Calendar can be sized to display up to 12 months, and supports shifting the month range as well as the selection of month and year.

The selected date (or the current date and time) can be copied to the clipboard in various formats (4 default formats supplied).

Horst Schaeffer's Calendar Features:

• System tray mode
• Quick full year display and switch back to your sized layout
• Optional week numbers
• Copy buttons (clipboard) visible or hidden
• Date difference (number of days)
• Highlighting holidays or annual events (through configuration files)
• Holiday data by right mouse button
• Selectable font, colors (optionally for Windows 7 as well)
• Language files
• Settings, layout, and window position are saved in an INI file.

Horst Schaeffer's Calendar is a portable app but be sure not to install in the Program Files folder.