circadian_css_animation.php

<?php
	// ============================================================================
	// Config section
	// Set up whatever values you want for the circadian animation
	// ============================================================================

	// Time zone used to do day/night calculations
	$targetTimezone = 'America/Los_Angeles';

	// Coordinates used to retrieve circadian cycle information (Lat, Long)
	$targetCoordinates = [44.5, -123.2];
	
	// Background colors to use at corresponding points of the day/night cycle
	// any valid css color string will work here, hex or rgba.
	$bgColors = 
		[
			'astronomical_twilight_begin' => 'rgba(39, 50, 79, 1)',
			'nautical_twilight_begin' => 'rgba(58, 79, 110, 1)',
			'civil_twilight_begin' =>'rgba(246, 156, 238, 1)',
			'civil_twilight_begin' => 'rgba(246, 156, 238, 1)',
			'sunrise' =>'rgba(248, 235, 181, 1)',
			'transit' => 'rgba(32, 36, 10, 1)',
			'sunset' => 'rgba(255, 202, 123, 1)',
			'civil_twilight_end' => 'rgba(56, 93, 148, 1)',
			'nautical_twilight_end' => 'rgba(36, 67, 94, 1)',	
			'astronomical_twilight_end' => 'rgba(5, 18, 50, 1)'
		];
		
	// Text colors to use at corresponding points of the day/night cycle
	// any valid css color string will work here, hex or rgba.
	$textColors = 
		[
			'astronomical_twilight_begin' => '#f7ca83',
			'nautical_twilight_begin' => '#f7ca83',
			'civil_twilight_begin' => '#946ed2',
			'sunrise' => '#e28336',
			'transit' => '#c0ae68',
			'sunset' => '#dd3805',
			'civil_twilight_end' => '#f9e287',
			'nautical_twilight_end' => '#f7c283',
			'astronomical_twilight_end' => '#f7ca83'
		];