{"id":813,"date":"2018-04-23T23:58:27","date_gmt":"2018-04-23T23:58:27","guid":{"rendered":"http:\/\/theperihelioneffect.com\/?p=813"},"modified":"2018-04-23T23:58:37","modified_gmt":"2018-04-23T23:58:37","slug":"are-decembers-solstice-and-januarys-perihelion-related","status":"publish","type":"post","link":"http:\/\/theperihelioneffect.com\/are-decembers-solstice-and-januarys-perihelion-related\/","title":{"rendered":"Are December\u2019s solstice and January\u2019s perihelion related?"},"content":{"rendered":"
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By\u00a0EarthSky<\/a>\u00a0in\u00a0<\/span>Astronomy Essentials | Space<\/span>\u00a0|<\/span>\u00a0January 1, 2018<\/strong><\/div>\n<\/div>\n<\/div>\n
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December solstice 2017 was December 21. Earth is closest to the sun for 2018 on January 2-3. Coincidence?<\/p>\n<\/div>\n

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Earth and sun via ISS Expedition 13\/ NASA.<\/p>\n<\/div>\n

Earth comes closest to the sun on January 3, 2018 at around 5:35 UTC;\u00a0translate to your time zone<\/a>. This event is called\u00a0Earth\u2019s perihelion<\/a>. Meanwhile, the\u00a0December solstice<\/a>\u00a0took place on December 21, 2017. At perihelion in January, Earth swings to within about 91 million miles (147 million km) of the sun. That\u2019s in contrast to six months from now, when we\u2019ll be about 94 million miles (152 million km) from the sun. At the December solstice, Earth\u2019s Southern Hemisphere is tilted most toward the sun; it\u2019s the height of summer in that hemisphere. Are the December solstice and January perihelion related? No. It\u2019s just a coincidence that they come so close together.<\/p>\n

The date of Earth\u2019s perihelion\u00a0drifts<\/em>\u00a0as the centuries pass. These two astronomical events are separated by about two weeks for us. But they were closer a few centuries ago \u2013 and in fact happened at the same time in 1246 AD.<\/p>\n

As the centuries continue to pass, these events will drift even farther apart. On the average, one revolution of the Earth relative to perihelion is about 25 minutes longer than one revolution relative to the December solstice. Perihelion advances one full calendar date every 60 or so years.<\/p>\n

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Earth\u2019s perihelion \u2013 or closest point to the sun \u2013 will happen at the same time as the March equinox in about 6430 AD.<\/p>\n

Bottom line: Earth\u2019s December solstice and January perihelion are not related.<\/p>\n

Earth closest to the sun on January 2-3, 2018<\/a><\/p>\n

Everything you need to know: December solstice<\/a><\/p>\n

Why does the New Year begin on January 1?<\/a><\/p>\n

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By\u00a0EarthSky\u00a0in\u00a0Astronomy Essentials | Space\u00a0|\u00a0January 1, 2018 December solstice 2017 was December 21. Earth is closest to the sun for 2018 on January 2-3. Coincidence? Earth and sun via ISS Expedition 13\/ NASA. Earth comes closest to the sun on January 3, 2018 at around 5:35 UTC;\u00a0translate to your time zone. This event is called\u00a0Earth\u2019s perihelion. …<\/p>\n

Are December\u2019s solstice and January\u2019s perihelion related?<\/span> Read More »<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"categories":[8,3],"tags":[],"yoast_head":"\nAre December\u2019s solstice and January\u2019s perihelion related? - The Perihelion Effect<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/theperihelioneffect.com\/are-decembers-solstice-and-januarys-perihelion-related\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Are December\u2019s solstice and January\u2019s perihelion related? - The Perihelion Effect\" \/>\n<meta property=\"og:description\" content=\"By\u00a0EarthSky\u00a0in\u00a0Astronomy Essentials | Space\u00a0|\u00a0January 1, 2018 December solstice 2017 was December 21. 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