My Sublime Text settings based on time of day and ambient lighting. I plug them in via the Fetch plugin -- http://net.tutsplus.com/articles/news/introducing-nettuts-fetch/

day-settings.json

{
	"bold_folder_labels": true,
	"caret_style": "phase",
	"color_scheme": "Packages/Theme - Spacegray/base16-ocean.light.tmTheme",
	"draw_minimap_border": true,
	"ensure_newline_at_eof_on_save": false,
	"fade_fold_buttons": false,
	"file_exclude_patterns":
	[
		"*.pyc",
		"*.pyo",
		"*.exe",
		"*.dll",
		"*.obj",
		"*.o",
		"*.a",
		"*.lib",
		"*.so",
		"*.dylib",
		"*.ncb",
		"*.sdf",
		"*.suo",
		"*.pdb",
		"*.idb",
		".DS_Store",
		"*.class",
		"*.psd",
		"*.pxm",
		"*.ai",
		"*.eps",
		"*.db",
		"*.tmproj",
		"*.sublime-project",
		"*.sublime-workspace"
	],
	"folder_exclude_patterns":
	[
		".svn",
		".git",
		".hg",
		"CVS",
		".sass-cache",
		"node_modules",
		"bourbon",
		"neat"
	],
	"font_face": "inconsolata-g",
	"font_options":
	[
		"no_round",
	],
	"font_size": 16,
	"gutter": true,
	"highlight_line": false,
	"highlight_modified_tabs": true,
	"ignored_packages":
	[
		"Vintage"
	],
	"line_padding_bottom": 1,
	"line_padding_top": 1,
	"margin": 4,
	"preview_on_click": false,
	"remember_open_files": false,
	"show_minimap": true,
	"tab_size": 4,
	"theme": "Spacegray Light.sublime-theme",
	"translate_tabs_to_spaces": false,
	"trim_trailing_white_space_on_save": true,
	"word_wrap": true
}

fetch.json

{
	"files":
	{
		"[Bloqhead] CSS Banner": "https://gist.github.com/bloqhead/6a8c13c82bedc702e01b/raw/275d3f27e79d0d57fe30e1290bccbff6c114a7cb/CSSBanner.scss",
		"[Bloqhead] Tile Tamer": "https://gist.github.com/bloqhead/03710045d8e79bd7b725/raw/2648ea6fac13a0388b074e400bfbccf3554e6675/tile.tamer.js",
		"[Bones] Footer": "https://raw.github.com/eddiemachado/bones/master/footer.php",
		"[Bones] Grid Mixins": "https://gist.github.com/bloqhead/a774ed3c5e603b73888e/raw/BonesGrid.scss",
		"[Bones] Header": "https://raw.github.com/eddiemachado/bones/master/header.php",
		"[CSS] Eric Meyer's Reset": "http://meyerweb.com/eric/tools/css/reset/reset.css",
		"[CSS] FlexSlider CSS": "https://raw.github.com/woothemes/FlexSlider/master/flexslider.css",
		"[CSS] Normalize CSS": "https://raw.github.com/necolas/normalize.css/master/normalize.css",
		"[Grunt] Gruntfile.js": "https://gist.github.com/bloqhead/9d2cc63b6649f195d601/raw/9fbb3eb003f4ab316dd42a5e031b00c0250f5a1f/Gruntfile.js",
		"[Grunt] Package.json": "https://gist.github.com/bloqhead/9d2cc63b6649f195d601/raw/c005684611ce178be055513919c52cbd653b89ea/package.json",
		"[Grunt] WP ReadMe.md": "https://gist.github.com/bloqhead/9d2cc63b6649f195d601/raw/d65d0078ffe1655901cd702f98f54f394592e245/ReadMe.md",
		"[HTML] FlexSlider Example": "https://gist.github.com/bloqhead/e0d53075878455ec79d1/raw/497d1da8089261e72ee72f8f6308fc2fe1f1ebb1/FlexSliderSample.html",
		"[JS] Bones Scripts": "https://raw.github.com/eddiemachado/bones/master/library/js/scripts.js",
		"[Misc] Google Analytics": "https://gist.github.com/bloqhead/2ed65899ebe22463279c/raw/717672c852b0f130751f3e8279c83e98363d02bc/GATracking.html",
		"[Misc] Rick Astley Embed": "https://gist.github.com/bloqhead/1b68b996abbb5fb97e6b/raw/1544638992bf8899eb53851a2d3dc4c34ba7bb23/rickrolled.html",
		"[Misc] State Select Menu": "https://gist.github.com/bloqhead/430230ce84860b9b5293/raw/1791224911b4e76793841767be6c3085d87651cb/state-select.html",
		"[SASS] Simple Bourbon Grid": "https://gist.github.com/bloqhead/d0f7471efcfad92b138d/raw/BourbonNeatGrid.scss",
		"[Sublime Text] Day Settings": "https://gist.github.com/bloqhead/8139719/raw/9eb05ffa29ba13a097911976379e47a46c5402cf/day-settings.json",
		"[Sublime Text] Night Settings": "https://gist.github.com/bloqhead/8139719/raw/a37c002fec7c90bc8221c5953fb2f7d8e41ab2b0/night-settings.json",
		"[Sublime Text] Night Settings Alt": "https://gist.github.com/bloqhead/8139719/raw/0e1321a008ffd4053fe0cc05237f2d4a850195e3/night-settings-alt.json",
		"[WP] Custom Options Page": "https://gist.github.com/bloqhead/39b882c645c6825b07f8/raw/0cbe1352337017623cf16a9d737662446fa3f723/custom-options.php",
		"[WP] Custom Post Type": "https://gist.github.com/bloqhead/6842152/raw/d98ac370623ce4a7b8adb329a8dc8ccef3fa688a/post-type.php",
		"[WP] Database Config": "https://gist.github.com/bloqhead/7755920/raw/6e3b481e59d0289bd8457c2e55b9e2f32ad8d09d/wp-db-setup.php",
		"[WP] Featured Image URL": "https://gist.github.com/bloqhead/05ca7c237bf4a49955c2/raw/eb2f6f92a68e67783f0c05461f3be417b73b438f/WPFeaturedImage.php",
		"[WP] Query": "https://gist.github.com/bloqhead/8098854/raw/1cdbc4fea13f9d328fc6055e5c63bdbca3f13547/wp-query-new.php",
		"[WP] Salt": "https://api.wordpress.org/secret-key/1.1/salt/",
		"[WP] Static Shortcode": "https://gist.github.com/bloqhead/7776065/raw/570c981544424873a4cd318927f5961e90620ee1/wp-shortcode.php",
		"[WP] Title": "https://gist.github.com/bloqhead/f68b83b3b3c1c1eb3a6f/raw/d1b05f7362a2bc6a8dd8d8bd527dccaa589e3d7c/WPTitle.php",
		"[Yahoo] Pure CSS": "http://yui.yahooapis.com/pure/0.3.0/pure-min.css",
		"[jQuery] Basic Opening": "https://gist.github.com/bloqhead/f52bb07982f29e3ca45e/raw/a00b9a3c86864efabd1bdf9a355fe5c897d35355/jquery.function.js",
		"[jQuery] Cycle": "http://malsup.github.io/jquery.cycle.all.js",
		"[jQuery] FitVids": "https://raw.github.com/davatron5000/FitVids.js/master/jquery.fitvids.js",
		"[jQuery] FlexSlider JS": "https://raw.github.com/woothemes/FlexSlider/master/jquery.flexslider-min.js",
		"[jQuery] Latest Core": "http://code.jquery.com/jquery.min.js",
		"[jQuery] No Conflict": "https://gist.github.com/bloqhead/360dd75eb581975cedd2/raw/812badb21638fdc227369eeb8f2137602db8eeea/jQuery.noConflict.js"
	},
	"packages":
	{
		"[BSD] Bones SCSS Starter": "https://dl.dropboxusercontent.com/u/46127334/startercss.zip",
		"[Fonts] Font Awesome": "http://fortawesome.github.io/Font-Awesome/assets/font-awesome.zip",
		"[Grunt] WordPress Boilerplate": "https://github.com/bloqhead/wpgrunt/zipball/master",
		"[HTML5] HTML5 Boilerplate": "https://github.com/h5bp/html5-boilerplate/zipball/master",
		"[SASS] Bourbon Neat": "https://github.com/thoughtbot/neat/archive/master.zip",
		"[WP] Bones": "https://github.com/eddiemachado/bones/zipball/master"
	}
}

night-settings-alt.json

{
	"bold_folder_labels": true,
	"caret_style": "phase",
	"color_scheme": "Packages/Theme - Spacegray/base16-ocean.dark.tmTheme",
	"draw_minimap_border": true,
	"ensure_newline_at_eof_on_save": false,
	"fade_fold_buttons": false,
	"file_exclude_patterns":
	[
		"*.pyc",
		"*.pyo",
		"*.exe",
		"*.dll",
		"*.obj",
		"*.o",
		"*.a",
		"*.lib",
		"*.so",
		"*.dylib",
		"*.ncb",
		"*.sdf",
		"*.suo",
		"*.pdb",
		"*.idb",
		".DS_Store",
		"*.class",
		"*.psd",
		"*.pxm",
		"*.ai",
		"*.eps",
		"*.db",
		"*.tmproj",
		"*.sublime-project",
		"*.sublime-workspace"
	],
	"folder_exclude_patterns":
	[
		".svn",
		".git",
		".hg",
		"CVS",
		".sass-cache"
	],
	"font_face": "inconsolata-g",
	"font_options":
	[
		"subpixel_antialias",
		"no_round",
		"no_bold"
	],
	"font_size": 12,
	"gutter": true,
	"highlight_line": false,
	"highlight_modified_tabs": true,
	"ignored_packages":
	[
		"Vintage"
	],
	"line_padding_bottom": 2,
	"line_padding_top": 2,
	"margin": 4,
	"preview_on_click": false,
	"remember_open_files": false,
	"show_minimap": true,
	"tab_size": 4,
	"theme": "Spacegray.sublime-theme",
	"translate_tabs_to_spaces": false,
	"trim_trailing_white_space_on_save": true,
	"word_wrap": true
}

night-settings.json

{
	"bold_folder_labels": true,
	"caret_style": "phase",
	"color_scheme": "Packages/Base16/base16-tomorrow.dark.tmTheme",
	"draw_minimap_border": true,
	"ensure_newline_at_eof_on_save": false,
	"fade_fold_buttons": false,
	"file_exclude_patterns":
	[
		"*.pyc",
		"*.pyo",
		"*.exe",
		"*.dll",
		"*.obj",
		"*.o",
		"*.a",
		"*.lib",
		"*.so",
		"*.dylib",
		"*.ncb",
		"*.sdf",
		"*.suo",
		"*.pdb",
		"*.idb",
		".DS_Store",
		"*.class",
		"*.psd",
		"*.pxm",
		"*.ai",
		"*.eps",
		"*.db",
		"*.tmproj",
		"*.sublime-project",
		"*.sublime-workspace"
	],
	"folder_exclude_patterns":
	[
		".svn",
		".git",
		".hg",
		"CVS",
		".sass-cache"
	],
	"font_face": "inconsolata-g",
	"font_options":
	[
		"subpixel_antialias",
		"no_round",
		"no_bold"
	],
	"font_size": 12,
	"gutter": true,
	"highlight_line": false,
	"highlight_modified_tabs": true,
	"ignored_packages":
	[
		"Vintage"
	],
	"line_padding_bottom": 2,
	"line_padding_top": 2,
	"margin": 4,
	"preview_on_click": false,
	"remember_open_files": false,
	"show_minimap": true,
	"tab_size": 4,
	"theme": "Phoenix Dark.sublime-theme",
	"translate_tabs_to_spaces": false,
	"trim_trailing_white_space_on_save": true,
	"word_wrap": true
}