{"generator":"GNU social 1.2.0-beta4","title":"Notices tagged with worldpiday","totalItems":1,"items":[{"actor":{"id":"http:\/\/tantek.com\/","displayName":"Tantek","status_net":{"avatarLinks":[{"url":"https:\/\/status.blaise.ca\/theme\/neo-gnu\/default-avatar-profile.png","rel":"avatar","type":"image\/png","width":96,"height":96},{"url":"https:\/\/status.blaise.ca\/theme\/neo-gnu\/default-avatar-stream.png","rel":"avatar","type":"image\/png","width":48,"height":48},{"url":"https:\/\/status.blaise.ca\/theme\/neo-gnu\/default-avatar-mini.png","rel":"avatar","type":"image\/png","width":24,"height":24}],"profile_info":{"local_id":"207"}},"image":{"url":"https:\/\/status.blaise.ca\/theme\/neo-gnu\/default-avatar-profile.png","rel":"avatar","type":"image\/png","width":96,"height":96},"objectType":"person","url":"http:\/\/tantek.com\/","portablecontacts_net":{"displayName":"Tantek","addresses":{"formatted":"\nSan Francisco, CA\n"}}},"content":"\u03c0 Happy International Pi Day! (the 314th day of the year)<br class=\"auto-break\" \/><br class=\"auto-break\" \/>\ud83e\udd67 This morning I celebrated with an apple hand pie, purchased from the newest Tartine Bakery in Mill Valley (<a class=\"auto-link\" href=\"https:\/\/tartinebakery.com\/san-francisco\/mill-valley\">https:\/\/tartinebakery.com\/san-francisco\/mill-valley<\/a>) last Saturday. Through trial and error I learned that Reheat at 325F (default) for 4 minutes worked best to heat the filling enough to be very warm, but not hot enough to burn your mouth (settings for a Breville mini oven \/ \u201cair fryer\u201d).<br class=\"auto-break\" \/><br class=\"auto-break\" \/>After several years of celebrating today as \u201cordinal pi day\u201d, derived from the \u201cordinal date\u201d standardized by ISO 8601 (<a class=\"auto-link\" href=\"https:\/\/en.wikipedia.org\/wiki\/ISO_8601#Ordinal_dates\">https:\/\/en.wikipedia.org\/wiki\/ISO_8601#Ordinal_dates<\/a>), I decided it merited elevation to International Pi Day, since ordinal dates are an international standard, and counting days works the same worldwide.<br class=\"auto-break\" \/><br class=\"auto-break\" \/>As noted in previous years, celebrating pi day on March 14th is US-centric, because more countries (people) write their dates day\/month instead of the US month\/day convention (<a class=\"auto-link\" href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_date_formats_by_country#Usage_map\">https:\/\/en.wikipedia.org\/wiki\/List_of_date_formats_by_country#Usage_map<\/a>). March 14th is a US National Pi day at best.<br class=\"auto-break\" \/><br class=\"auto-break\" \/>It\u2019s about time we declared the only standardized nth day of the year as our method for declaring international number-related holidays.<br class=\"auto-break\" \/><br class=\"auto-break\" \/>The list so far of such international nth day of the year holidays:<br class=\"auto-break\" \/>* 088: World Piano Day<br class=\"auto-break\" \/>* 256: 8-Bit Day (<a class=\"auto-link\" href=\"https:\/\/tantek.com\/2026\/256\/t1\">https:\/\/tantek.com\/2026\/256\/t1<\/a>)<br class=\"auto-break\" \/>* 314: International Pi Day (or World Pi Day if you prefer)<br class=\"auto-break\" \/><br class=\"auto-break\" \/>Previously:<br class=\"auto-break\" \/>* <a class=\"auto-link\" href=\"https:\/\/tantek.com\/2025\/314\/t1\/happy-ordinal-pi-day\">https:\/\/tantek.com\/2025\/314\/t1\/happy-ordinal-pi-day<\/a><br class=\"auto-break\" \/><br class=\"auto-break\" \/>#<span class=\"p-category auto-tag\">piDay<\/span> #<span class=\"p-category auto-tag\">internationalPiDay<\/span> #<span class=\"p-category auto-tag\">worldPiDay<\/span> #<span class=\"p-category auto-tag\">actualPiDay<\/span> #<span class=\"p-category auto-tag\">ordinalDate<\/span> #<span class=\"p-category auto-tag\">ordinalDates<\/span> #<span class=\"p-category auto-tag\">ISO8601<\/span> #<span class=\"p-category auto-tag\">ISOdate<\/span> #<span class=\"p-category auto-tag\">standards<\/span> #<span class=\"p-category auto-tag\">ordinal<\/span> #<span class=\"p-category auto-tag\">pi<\/span>","generator":{"id":"tag:status.net,2009:notice-source:ostatus","objectType":"application","status_net":{"source_code":"ostatus"}},"id":"https:\/\/tantek.com\/2026\/314\/t1\/happy-international-pi-day","object":{"id":"https:\/\/tantek.com\/2026\/314\/t1\/happy-international-pi-day","objectType":"note","content":"\u03c0 Happy International Pi Day! (the 314th day of the year)<br class=\"auto-break\" \/><br class=\"auto-break\" \/>\ud83e\udd67 This morning I celebrated with an apple hand pie, purchased from the newest Tartine Bakery in Mill Valley (<a class=\"auto-link\" href=\"https:\/\/tartinebakery.com\/san-francisco\/mill-valley\">https:\/\/tartinebakery.com\/san-francisco\/mill-valley<\/a>) last Saturday. Through trial and error I learned that Reheat at 325F (default) for 4 minutes worked best to heat the filling enough to be very warm, but not hot enough to burn your mouth (settings for a Breville mini oven \/ \u201cair fryer\u201d).<br class=\"auto-break\" \/><br class=\"auto-break\" \/>After several years of celebrating today as \u201cordinal pi day\u201d, derived from the \u201cordinal date\u201d standardized by ISO 8601 (<a class=\"auto-link\" href=\"https:\/\/en.wikipedia.org\/wiki\/ISO_8601#Ordinal_dates\">https:\/\/en.wikipedia.org\/wiki\/ISO_8601#Ordinal_dates<\/a>), I decided it merited elevation to International Pi Day, since ordinal dates are an international standard, and counting days works the same worldwide.<br class=\"auto-break\" \/><br class=\"auto-break\" \/>As noted in previous years, celebrating pi day on March 14th is US-centric, because more countries (people) write their dates day\/month instead of the US month\/day convention (<a class=\"auto-link\" href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_date_formats_by_country#Usage_map\">https:\/\/en.wikipedia.org\/wiki\/List_of_date_formats_by_country#Usage_map<\/a>). March 14th is a US National Pi day at best.<br class=\"auto-break\" \/><br class=\"auto-break\" \/>It\u2019s about time we declared the only standardized nth day of the year as our method for declaring international number-related holidays.<br class=\"auto-break\" \/><br class=\"auto-break\" \/>The list so far of such international nth day of the year holidays:<br class=\"auto-break\" \/>* 088: World Piano Day<br class=\"auto-break\" \/>* 256: 8-Bit Day (<a class=\"auto-link\" href=\"https:\/\/tantek.com\/2026\/256\/t1\">https:\/\/tantek.com\/2026\/256\/t1<\/a>)<br class=\"auto-break\" \/>* 314: International Pi Day (or World Pi Day if you prefer)<br class=\"auto-break\" \/><br class=\"auto-break\" \/>Previously:<br class=\"auto-break\" \/>* <a class=\"auto-link\" href=\"https:\/\/tantek.com\/2025\/314\/t1\/happy-ordinal-pi-day\">https:\/\/tantek.com\/2025\/314\/t1\/happy-ordinal-pi-day<\/a><br class=\"auto-break\" \/><br class=\"auto-break\" \/>#<span class=\"p-category auto-tag\">piDay<\/span> #<span class=\"p-category auto-tag\">internationalPiDay<\/span> #<span class=\"p-category auto-tag\">worldPiDay<\/span> #<span class=\"p-category auto-tag\">actualPiDay<\/span> #<span class=\"p-category auto-tag\">ordinalDate<\/span> #<span class=\"p-category auto-tag\">ordinalDates<\/span> #<span class=\"p-category auto-tag\">ISO8601<\/span> #<span class=\"p-category auto-tag\">ISOdate<\/span> #<span class=\"p-category auto-tag\">standards<\/span> #<span class=\"p-category auto-tag\">ordinal<\/span> #<span class=\"p-category auto-tag\">pi<\/span>","url":"https:\/\/tantek.com\/2026\/314\/t1\/happy-international-pi-day","status_net":{"notice_id":116355},"tags":[{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"actualpiday"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"internationalpiday"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"iso8601"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"isodate"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"ordinal"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"ordinaldate"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"ordinaldates"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"pi"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"standards"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"worldpiday"}]},"to":[{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/collection","id":"http:\/\/activityschema.org\/collection\/public"}],"status_net":{"conversation":"tag:status.blaise.ca,2026-11-11:objectType=thread:nonce=de826d4fd37d3521","notice_info":{"local_id":"116355","source":"ostatus"}},"published":"2026-11-10T20:31:00+00:00","provider":{"objectType":"service","displayName":"stadeus","url":"http:\/\/status.blaise.ca\/"},"verb":"post","url":"https:\/\/tantek.com\/2026\/314\/t1\/happy-international-pi-day"}],"links":[{"url":"https:\/\/status.blaise.ca\/tag\/worldpiday","rel":"alternate","type":"text\/html"}]}