{"id":11187,"date":"2025-07-15T13:34:50","date_gmt":"2025-07-15T13:34:50","guid":{"rendered":"https:\/\/functiontranslator.com\/dia-semana\/"},"modified":"2021-02-25T17:33:02","modified_gmt":"2021-02-25T17:33:02","slug":"weekday","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pt-pt\/weekday\/","title":{"rendered":"DIA.SEMANA"},"content":{"rendered":"<p>A fun\u00e7\u00e3o DIA.SEMANA, dispon\u00edvel tanto no Excel quanto no Google Planilhas, \u00e9 extremamente \u00fatil para an\u00e1lises que envolvem datas. Ela determina o dia da semana para uma data especificada, possibilitando que o usu\u00e1rio identifique se essa data corresponde a um dia \u00fatil ou a um fim de semana, facilitando assim a integra\u00e7\u00e3o com outras an\u00e1lises.<\/p>\n<h2>Sintaxe e Exemplos<\/h2>\n<p>A sintaxe da fun\u00e7\u00e3o DIA.SEMANA no Excel \u00e9:<\/p>\n<pre><code>=DIA.SEMANA(n\u00famero_ser; [tipo_retorno])<\/code><\/pre>\n<p>Onde:<\/p>\n<ul>\n<li><strong>n\u00famero_ser<\/strong> refere-se \u00e0 data que voc\u00ea deseja verificar. Pode ser uma refer\u00eancia a uma c\u00e9lula que cont\u00e9m uma data, um n\u00famero de s\u00e9rie que representa uma data, ou uma fun\u00e7\u00e3o que retorna uma data.<\/li>\n<li><strong>tipo_retorno<\/strong> \u00e9 um par\u00e2metro opcional que define o formato do dia da semana retornado (por exemplo, 1 para domingo sendo 1, 2 para segunda-feira sendo 1). Caso n\u00e3o seja especificado, o valor padr\u00e3o \u00e9 1.<\/li>\n<\/ul>\n<p>Exemplo no Excel:<\/p>\n<table>\n<tr>\n<th>C\u00e9lula<\/th>\n<th>Conte\u00fado<\/th>\n<th>F\u00f3rmula<\/th>\n<th>Resultado<\/th>\n<\/tr>\n<tr>\n<td>A1<\/td>\n<td>21\/12\/2023<\/td>\n<td>=DIA.SEMANA(A1)<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td>A2<\/td>\n<td>22\/12\/2023<\/td>\n<td>=DIA.SEMANA(A2, 2)<\/td>\n<td>5<\/td>\n<\/tr>\n<\/table>\n<p>Assim como no Excel, a sintaxe no Google Planilhas \u00e9 similar:<\/p>\n<pre><code>=DIA.SEMANA(n\u00famero_ser; [tipo_retorno])<\/code><\/pre>\n<h2>Aplica\u00e7\u00f5es pr\u00e1ticas<\/h2>\n<p>Explorando algumas das aplica\u00e7\u00f5es pr\u00e1ticas desta fun\u00e7\u00e3o:<\/p>\n<h2>Organizando uma agenda de trabalho<\/h2>\n<p>Suponha que voc\u00ea precise organizar uma agenda de turnos de trabalho durante os dias \u00fateis de um m\u00eas. Utilizando a fun\u00e7\u00e3o DIA.SEMANA \u00e9 poss\u00edvel identificar e excluir automaticamente os fins de semana.<\/p>\n<pre><code>=SE(OU(DIA.SEMANA(A1; 2)=6; DIA.SEMANA(A1; 2)=7); \"Fim de Semana\"; \"Dia \u00datil\")<\/code><\/pre>\n<p>Explica\u00e7\u00e3o: Aqui, a f\u00f3rmula verifica se a data na c\u00e9lula A1 \u00e9 s\u00e1bado ou domingo, e classifica o dia como &#8220;Fim de Semana&#8221;. Caso contr\u00e1rio, \u00e9 classificado como &#8220;Dia \u00datil&#8221;.<\/p>\n<h2>Calcular dias \u00fateis em um per\u00edodo<\/h2>\n<p>Outra utiliza\u00e7\u00e3o pr\u00e1tica \u00e9 calcular a quantidade de dias \u00fateis em um per\u00edodo espec\u00edfico, o que pode ser crucial para o planejamento de projetos ou para c\u00e1lculo de prazos.<\/p>\n<pre><code>=SE(DIA.SEMANA(A1; 2)&lt;6; 1; 0)<\/code><\/pre>\n<p>Complementado com a soma dos resultados em uma faixa de datas, voc\u00ea pode calcular o total de dias \u00fateis no intervalo especificado. Por exemplo, para um m\u00eas representado por datas sequenciais na coluna A:<\/p>\n<pre><code>=SOMA(SE(DIA.SEMANA(A1:A31; 2)&lt;6; 1; 0))<\/code><\/pre>\n<p>Nota: Esta f\u00f3rmula requer que, no Google Planilhas, seja inserida com Ctrl+Shift+Enter como uma f\u00f3rmula de matriz.<\/p>\n<p>Dessa maneira, a fun\u00e7\u00e3o DIA.SEMANA revela-se uma ferramenta valiosa para o gerenciamento e an\u00e1lise de dados relacionados a datas, auxiliando significativamente na organiza\u00e7\u00e3o e no planejamento em diversos contextos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Converte um n\u00famero de s\u00e9rie num dia da semana<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[448],"tags":[],"class_list":["post-11187","post","type-post","status-publish","format-standard","hentry","category-data-e-hora"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fun\u00e7\u00e3o WEEKDAY (DIA.SEMANA) no Excel \u2013 como funciona, exemplos e sintaxe<\/title>\n<meta name=\"description\" content=\"Breve descri\u00e7\u00e3o da fun\u00e7\u00e3o WEEKDAY (DIA.SEMANA) do Excel. 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