'Sunday' calendar is a persistent notification that queries monthly events from your google/phone calendars at a timed interval and details the closest upcoming event. It also features customization and colorization of calendar events, a smaller notification for single upcoming events and can be started on Android reboot.

This app is compatible only with Jellybean 4.1 and higher which
enabled expanded notifications.

Version 1.38
==========================
* Fix current day coloring bug
* Fix Layouts
* Fix lag on color selection

Changelog (pre 1.37):

* Give notification priority option
* Improved color gamut
* Add option to change font size
* Filter select number of event days
* Added application theme change
* Create option to set overall calendar color
* Highlight event days option toggle
* Added service implementation for timer

Screenshots: