March 20, 2018 – The vernal equinox begins at approximately 16:15 UT.

September 23, 2018 – The autumnal equinox begins at approximately 01:54 UT.

Calendar:
The vernal equinox occurs in the Northern Hemisphere on March 19, 20 or 21. It marks the beginning of spring.

The autumnal equinox occurs in the Northern Hemisphere on September 22 or 23. It marks the beginning of fall.

‘);$vidEndSlate.removeClass(‘video__end-slate–inactive’).addClass(‘video__end-slate–active’);}};CNN.autoPlayVideoExist = (CNN.autoPlayVideoExist === true) ? true : false;var configObj = {thumb: ‘none’,video: ‘weather/2015/09/23/first-day-of-fall-explainer-orig.cnn’,width: ‘100%’,height: ‘100%’,section: ‘domestic’,profile: ‘expansion’,network: ‘cnn’,markupId: ‘body-text_12’,adsection: ‘const-article-inpage’,frameWidth: ‘100%’,frameHeight: ‘100%’,posterImageOverride: {“mini”:{“height”:124,”width”:220,”type”:”jpg”,”uri”:”//i2.cdn.cnn.com/cnnnext/dam/assets/111028105241-fall-foliage-17-small-169.jpg”},”xsmall”:{“height”:173,”width”:307,”type”:”jpg”,”uri”:”//i2.cdn.cnn.com/cnnnext/dam/assets/111028105241-fall-foliage-17-medium-plus-169.jpg”},”small”:{“height”:259,”width”:460,”type”:”jpg”,”uri”:”//i2.cdn.cnn.com/cnnnext/dam/assets/111028105241-fall-foliage-17-large-169.jpg”},”medium”:{“height”:438,”width”:780,”type”:”jpg”,”uri”:”//i2.cdn.cnn.com/cnnnext/dam/assets/111028105241-fall-foliage-17-exlarge-169.jpg”},”large”:{“height”:619,”width”:1100,”type”:”jpg”,”uri”:”//i2.cdn.cnn.com/cnnnext/dam/assets/111028105241-fall-foliage-17-super-169.jpg”},”full16x9″:{“height”:900,”width”:1600,”type”:”jpg”,”uri”:”//i2.cdn.cnn.com/cnnnext/dam/assets/111028105241-fall-foliage-17-full-169.jpg”},”mini1x1″:{“height”:120,”width”:120,”type”:”jpg”,”uri”:”//i2.cdn.cnn.com/cnnnext/dam/assets/111028105241-fall-foliage-17-small-11.jpg”}}},autoStartVideo = false,callbackObj,containerEl,currentVideoCollection = [],currentVideoCollectionId = ”,isLivePlayer = false,moveToNextTimeout,mutePlayerEnabled = false,nextVideoId = ”,nextVideoUrl = ”,turnOnFlashMessaging = false,videoPinner,videoEndSlateImpl;if (CNN.autoPlayVideoExist === false) {autoStartVideo = false;if (autoStartVideo === true) {if (turnOnFlashMessaging === true) {autoStartVideo = false;containerEl = jQuery(document.getElementById(configObj.markupId));CNN.VideoPlayer.showFlashSlate(containerEl);} else {CNN.autoPlayVideoExist = true;}}}configObj.autostart = autoStartVideo;CNN.VideoPlayer.setPlayerProperties(configObj.markupId, autoStartVideo, isLivePlayer, mutePlayerEnabled);CNN.VideoPlayer.setFirstVideoInCollection(currentVideoCollection, configObj.markupId);videoEndSlateImpl = new CNN.VideoEndSlate(‘body-text_12’);/*** Finds the next video ID and URL in the current collection, if available.* @param currentVideoId The video that is currently playing* @param containerId The parent container Id of the video element*/function findNextVideo(currentVideoId) {var i,vidObj;if (currentVideoId && jQuery.isArray(currentVideoCollection) && currentVideoCollection.length > 0) {for (i = 0; i 0) {videoEndSlateImpl.showEndSlateForContainer();}}}callbackObj = {onPlayerReady: function (containerId) {CNN.VideoPlayer.reportLoadTime(containerId);CNN.VideoPlayer.handleInitialExpandableVideoState(containerId);CNN.VideoPlayer.handleAdOnCVPVisibilityChange(containerId, CNN.pageVis.isDocumentVisible());if (Modernizr && !Modernizr.phone && !Modernizr.mobile && !Modernizr.tablet) {var containerClassId = ‘#’ + containerId;if (jQuery(containerClassId).parents(‘.js-pg-rail-tall__head’).length) {videoPinner = new CNN.VideoPinner(containerClassId);videoPinner.init();} else {CNN.VideoPlayer.hideThumbnail(containerId);}}},/** Listen to the metadata event which fires right after the ad ends and the actual video playback begins*/onContentEntryLoad: function(containerId, playerId, contentid, isQueue) {CNN.VideoPlayer.showSpinner(containerId);},onContentMetadata: function (containerId, playerId, metadata, contentId, duration, width, height) {var endSlateLen = jQuery(document.getElementById(containerId)).parent().find(‘.js-video__end-slate’).eq(0).length;CNN.VideoSourceUtils.updateSource(containerId, metadata);if (endSlateLen > 0) {videoEndSlateImpl.fetchAndShowRecommendedVideos(metadata);}},onAdPlay: function (containerId, cvpId, token, mode, id, duration, blockId, adType) {clearTimeout(moveToNextTimeout);CNN.VideoPlayer.hideSpinner(containerId);if (Modernizr && !Modernizr.phone && !Modernizr.mobile && !Modernizr.tablet) {if (typeof videoPinner !== ‘undefined’ && videoPinner !== null) {videoPinner.setIsPlaying(true);videoPinner.animateDown();}}},onContentPlay: function (containerId, cvpId, event) {var playerInstance,prevVideoId;/** When the video content starts playing, inject analytics data* for Aspen (if enabled) and the companion ad layout* (if it was set when the ad played) should switch back to* epic ad layout. onContentPlay calls updateCompanionLayout* with the ‘restoreEpicAds’ layout to make this switch*/if (CNN.companion && typeof CNN.companion.updateCompanionLayout === ‘function’) {CNN.companion.updateCompanionLayout(‘restoreEpicAds’);}clearTimeout(moveToNextTimeout);CNN.VideoPlayer.hideSpinner(containerId);if (CNN.VideoPlayer.getLibraryName(containerId) === ‘fave’) {playerInstance = FAVE.player.getInstance(containerId) || null;} else {playerInstance = containerId && window.cnnVideoManager.getPlayerByContainer(containerId).videoInstance.cvp || null;}prevVideoId = (window.jsmd && window.jsmd.v && (window.jsmd.v.eVar18 || window.jsmd.v.eVar4)) || ”;if (playerInstance && typeof playerInstance.reportAnalytics === ‘function’) {if (prevVideoId.length === 0 && document.referrer && document.referrer.search(//videos//) >= 0) {prevVideoId = document.referrer.replace(/^(?:http|https)://[^/]/videos/(.+.w+)(?:/video/playlists/.*)?$/, ‘/video/$1’);if (prevVideoId === document.referrer) {prevVideoId = ”;}}playerInstance.reportAnalytics(‘videoPageData’, {videoCollection: currentVideoCollectionId,videoBranding: CNN.omniture.branding_content_page,templateType: CNN.omniture.template_type,nextVideo: nextVideoId,previousVideo: prevVideoId,referrerType: ”,referrerUrl: document.referrer});}if (Modernizr && !Modernizr.phone && !Modernizr.mobile && !Modernizr.tablet) {if (typeof videoPinner !== ‘undefined’ && videoPinner !== null) {videoPinner.setIsPlaying(true);videoPinner.animateDown();}}},onContentReplayRequest: function (containerId, cvpId, contentId) {if (Modernizr && !Modernizr.phone && !Modernizr.mobile && !Modernizr.tablet) {if (typeof videoPinner !== ‘undefined’ && videoPinner !== null) {videoPinner.setIsPlaying(true);var $endSlate = jQuery(document.getElementById(containerId)).parent().find(‘.js-video__end-slate’).eq(0);if ($endSlate.length > 0) {$endSlate.removeClass(‘video__end-slate–active’).addClass(‘video__end-slate–inactive’);}}}},onContentBegin: function (containerId, cvpId, contentId) {CNN.VideoPlayer.mutePlayer(containerId);if (CNN.companion && typeof CNN.companion.updateCompanionLayout === ‘function’) {CNN.companion.updateCompanionLayout(‘removeEpicAds’);}CNN.VideoPlayer.hideSpinner(containerId);clearTimeout(moveToNextTimeout);CNN.VideoSourceUtils.clearSource(containerId);jQuery(document).triggerVideoContentStarted();},onContentComplete: function (containerId, cvpId, contentId) {if (CNN.companion && typeof CNN.companion.updateCompanionLayout === ‘function’) {CNN.companion.updateCompanionLayout(‘restoreFreewheel’);}navigateToNextVideo(contentId, containerId);},onContentEnd: function (containerId, cvpId, contentId) {if (Modernizr && !Modernizr.phone && !Modernizr.mobile && !Modernizr.tablet) {if (typeof videoPinner !== ‘undefined’ && videoPinner !== null) {videoPinner.setIsPlaying(false);}}},onCVPVisibilityChange: function (containerId, cvpId, visible) {CNN.VideoPlayer.handleAdOnCVPVisibilityChange(containerId, visible);}};if (typeof configObj.context !== ‘string’ || configObj.context.length 0) {configObj.adsection = window.ssid;}CNN.autoPlayVideoExist = (CNN.autoPlayVideoExist === true) ? true : false;CNN.VideoPlayer.getLibrary(configObj, callbackObj, isLivePlayer);});/* videodemanddust is a default feature of the injector */CNN.INJECTOR.scriptComplete(‘videodemanddust’);

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