{"id":3742,"date":"2023-07-15T20:00:36","date_gmt":"2023-07-15T20:00:36","guid":{"rendered":"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/"},"modified":"2023-07-15T20:00:36","modified_gmt":"2023-07-15T20:00:36","slug":"i-panda-aggiungono-sottraggono-ora-data-e-ora","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/","title":{"rendered":"Panda: come aggiungere\/sottrarre tempo a datetime"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Puoi utilizzare la seguente sintassi di base per aggiungere o sottrarre tempo da una data\/ora in panda:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#add time to datetime<\/span>\ndf[' <span style=\"color: #ff0000;\">new_datetime<\/span> '] = df[' <span style=\"color: #ff0000;\">my_datetime<\/span> '] + pd. <span style=\"color: #3366ff;\">Timedelta<\/span> (hours= <span style=\"color: #008000;\">5<\/span> , minutes= <span style=\"color: #008000;\">10<\/span> , seconds= <span style=\"color: #008000;\">3<\/span> )\n\n<span style=\"color: #008080;\">#subtract time from datetime<\/span>\ndf[' <span style=\"color: #ff0000;\">new_datetime<\/span> '] = df[' <span style=\"color: #ff0000;\">my_datetime<\/span> '] - pd. <span style=\"color: #3366ff;\">Timedelta<\/span> (hours= <span style=\"color: #008000;\">5<\/span> , minutes= <span style=\"color: #008000;\">10<\/span> , seconds= <span style=\"color: #008000;\">3<\/span> ) \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">L&#8217;esempio seguente mostra come utilizzare questa sintassi nella pratica.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Esempio: aggiungi\/sottrai ora a Datetime in Panda<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente DataFrame panda che mostra le vendite effettuate da un negozio in 10 date e orari diversi:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">time<\/span> ': <span style=\"color: #3366ff;\">pd.date_range<\/span> (' <span style=\"color: #ff0000;\">2022-01-01<\/span> ', periods= <span style=\"color: #008000;\">10<\/span> ),\n                   ' <span style=\"color: #ff0000;\">sales<\/span> ': [14, 22, 25, 29, 31, 10, 12, 8, 22, 25]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n        time sales\n0 2022-01-01 14\n1 2022-01-02 22\n2 2022-01-03 25\n3 2022-01-04 29\n4 2022-01-05 31\n5 2022-01-06 10\n6 2022-01-07 12\n7 2022-01-08 8\n8 2022-01-09 22\n9 2022-01-10 25<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Possiamo utilizzare la funzione <strong>Timedelta<\/strong> di panda per aggiungere 5 ore, 10 minuti e 3 secondi a ciascun valore datetime nella colonna &#8220;time&#8221;:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create new column that contains time + 5 hours, 10 minutes, 3 seconds\n<\/span>df[' <span style=\"color: #ff0000;\">time_plus_some<\/span> '] = df[' <span style=\"color: #ff0000;\">time<\/span> '] + pd. <span style=\"color: #3366ff;\">Timedelta<\/span> (hours= <span style=\"color: #008000;\">5<\/span> , minutes= <span style=\"color: #008000;\">10<\/span> , seconds= <span style=\"color: #008000;\">3<\/span> )\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n        time sales time_plus_some\n0 2022-01-01 14 2022-01-01 05:10:03\n1 2022-01-02 22 2022-01-02 05:10:03\n2 2022-01-03 25 2022-01-03 05:10:03\n3 2022-01-04 29 2022-01-04 05:10:03\n4 2022-01-05 31 2022-01-05 05:10:03\n5 2022-01-06 10 2022-01-06 05:10:03\n6 2022-01-07 12 2022-01-07 05:10:03\n7 2022-01-08 8 2022-01-08 05:10:03\n8 2022-01-09 22 2022-01-09 05:10:03\n9 2022-01-10 25 2022-01-10 05:10:03<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">E possiamo creare altrettanto facilmente una nuova colonna che sottrae 5 ore, 10 minuti e 3 secondi da ciascun valore datetime nella colonna &#8220;time&#8221;:<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create new column that contains time - 5 hours, 10 minutes, 3 seconds\n<\/span>df[' <span style=\"color: #ff0000;\">time_minus_some<\/span> '] = df[' <span style=\"color: #ff0000;\">time<\/span> '] - pd. <span style=\"color: #3366ff;\">Timedelta<\/span> (hours= <span style=\"color: #008000;\">5<\/span> , minutes= <span style=\"color: #008000;\">10<\/span> , seconds= <span style=\"color: #008000;\">3<\/span> )\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n        time sales time_minus_some\n0 2022-01-01 14 2021-12-31 18:49:57\n1 2022-01-02 22 2022-01-01 18:49:57\n2 2022-01-03 25 2022-01-02 18:49:57\n3 2022-01-04 29 2022-01-03 18:49:57\n4 2022-01-05 31 2022-01-04 18:49:57\n5 2022-01-06 10 2022-01-05 18:49:57\n6 2022-01-07 12 2022-01-06 18:49:57\n7 2022-01-08 8 2022-01-07 18:49:57\n8 2022-01-09 22 2022-01-08 18:49:57\n9 2022-01-10 25 2022-01-09 18:49:57\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Nota n. 1<\/strong> : in questi esempi abbiamo utilizzato un numero specifico di ore, minuti e secondi, ma puoi anche utilizzare solo una di queste unit\u00e0, se lo desideri. Ad esempio, puoi specificare <strong>pd.Timedelta(hours=5)<\/strong> per aggiungere semplicemente cinque ore a un valore datetime.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Nota n. 2<\/strong> : puoi trovare la documentazione completa della funzione <strong>Timedelta<\/strong> di Panda <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.Timedelta.html\" target=\"_blank\" rel=\"noopener\">qui<\/a> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Risorse addizionali<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">I seguenti tutorial spiegano come eseguire altre attivit\u00e0 comuni nei panda:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/i-panda-convertono-timedelta-in-int\/\" target=\"_blank\" rel=\"noopener\">Come convertire Timedelta in Int in Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/i-panda-convertono-datetime-in-stringa\/\" target=\"_blank\" rel=\"noopener\">Come convertire DateTime in stringa in Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/data-e-ora-del-timestamp-dei-panda\/\" target=\"_blank\" rel=\"noopener\">Come convertire il timestamp in data\/ora in Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/i-panda-creano-una-colonna-di-data-dallanno-al-mese-al-giorno\/\" target=\"_blank\" rel=\"noopener\">Come creare una colonna di date da anno, mese e giorno in Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Puoi utilizzare la seguente sintassi di base per aggiungere o sottrarre tempo da una data\/ora in panda: #add time to datetime df[&#8216; new_datetime &#8216;] = df[&#8216; my_datetime &#8216;] + pd. Timedelta (hours= 5 , minutes= 10 , seconds= 3 ) #subtract time from datetime df[&#8216; new_datetime &#8216;] = df[&#8216; my_datetime &#8216;] &#8211; pd. Timedelta (hours= [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Panda: come aggiungere\/sottrarre tempo a Datetime - Statorials<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come aggiungere e sottrarre tempo da una data\/ora in Panda, con un esempio.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Panda: come aggiungere\/sottrarre tempo a Datetime - Statorials\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come aggiungere e sottrarre tempo da una data\/ora in Panda, con un esempio.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-15T20:00:36+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/\",\"url\":\"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/\",\"name\":\"Panda: come aggiungere\/sottrarre tempo a Datetime - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-15T20:00:36+00:00\",\"dateModified\":\"2023-07-15T20:00:36+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come aggiungere e sottrarre tempo da una data\/ora in Panda, con un esempio.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/i-panda-aggiungono-sottraggono-ora-data-e-ora\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Panda: come aggiungere\/sottrarre tempo a datetime\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/it\/#website\",\"url\":\"https:\/\/statorials.org\/it\/\",\"name\":\"Statorials\",\"description\":\"La tua guida all&#039;alfabetizzazione statistica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/it\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"it-IT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Ciao, sono Benjamin, un professore di statistica in pensione diventato insegnante dedicato di Statorials. 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