{"id":22,"date":"2013-12-13T21:16:04","date_gmt":"2013-12-13T21:16:04","guid":{"rendered":"http:\/\/www.eversholt.org.uk\/blog\/?p=22"},"modified":"2013-12-13T21:16:04","modified_gmt":"2013-12-13T21:16:04","slug":"birthdates-and-leap-years","status":"publish","type":"post","link":"https:\/\/www.eversholt.org.uk\/blog\/birthdates-and-leap-years\/","title":{"rendered":"Birthdates and Leap Years."},"content":{"rendered":"<p>On 29 Feb 2008, I asked Georgia how old she was. &#8220;I&#8217;m four, but will be five tomorrow!&#8221; Georgia was born on 1 March 2003. She doesn&#8217;t celebrate her 5th birthday until 1 March 2008, despite the fact that an extra day sneaks in just before then. On 29 Feb 2008, she&#8217;s 4 years and 365 days old. On 1 March 2008, she&#8217;s 5 years and 0 days old.<\/p>\n<p>Anant was born on 29 February 2000. On 28 February 2007, ask him how old he is, and he&#8217;ll say, &#8220;Six!&#8221;. Ask him on 1 March 2007, and he&#8217;ll say, &#8220;Seven! And where&#8217;s my birthday present?&#8221; But, when was his birthday? Actually, sorry, but it wasn&#8217;t. People born on Feb 29 really do only have a birthday, the same date as they were born, every four years. They jump from being 6 years and 364 days old on Feb 28 to being 7 years and 1 day old on March 1, without ever being 7 years and 0 days old, that year. Anant might have a birthday party, he might have nice presents, but he doesn&#8217;t have a birthday.<\/p>\n<p>The <a href=\"http:\/\/www.eversholt.org.uk\/birthdate\/\">birthdate calculator<\/a> understands leap years and (I hope!) gives the right answer for all leap-year-related birthdays.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On 29 Feb 2008, I asked Georgia how old she was. &#8220;I&#8217;m four, but will be five tomorrow!&#8221; Georgia was born on 1 March 2003. She doesn&#8217;t celebrate her 5th birthday until 1 March 2008, despite the fact that an extra day sneaks in just before then. On 29 Feb 2008, she&#8217;s 4 years and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-22","post","type-post","status-publish","format-standard","hentry","category-birthdate"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/posts\/22","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/comments?post=22"}],"version-history":[{"count":1,"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/posts\/22\/revisions"}],"predecessor-version":[{"id":23,"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/posts\/22\/revisions\/23"}],"wp:attachment":[{"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/media?parent=22"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/categories?post=22"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eversholt.org.uk\/blog\/wp-json\/wp\/v2\/tags?post=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}