Áireamhán Uimhir na Seachtaine
Faigh an uimhir seachtaine ISO agus lá na bliana le haghaidh aon dáta.
Torthaí a nuashonrú mar a chlóscríobh tú.
Maidir leis an áireamhán seo
week number calculator returns the ISO 8601 week number for a date — the standard used across business, logistics and Europe, where weeks run Monday to Sunday and week 1 is the week containing the first Thursday of the year. It also gives the ISO week-numbering year, the calendar quarter, the day-of-year number and how many weeks are left in the year. The tool reports the ISO week-numbering year separately so that mismatch is clear.There are many ways to calculate the ISO week number, but the most common is to use the following:For example, 1 January 2026 falls in ISO week 1 of 2026, but 1 January 2023 (a Sunday) sits in ISO week 52 of 2022.For example, 1 January 2026 falls in ISO week 52 of 2022, but 1 January 2023 (a Sunday) sits in ISO week 52 of 2023.For example, 1 January 2026 falls in ISO week 52 of 2023, but 1 January 2023 falls in ISO week 52 of 2023.For example, 1 January 2026 falls in ISO week 52 of 2023, but 1 January 2023 falls in ISO week 52 of 2023.For example, 1 January 2026 falls in ISO week 52 of 2023, but 1 January 2023 falls in ISO week 52 of 2023.For example, 1 January 2026 falls in ISO week 52For example, 1 January 2026 falls in ISO week 52For example, 1 January 2026 falls in ISO week 52For example, 1 January 2026 falls in ISO week 52For example, 1 January 2026 falls in ISO week 52For example, 1 January 2026 falls in ISO week 52For example, 1 January 2026
Ceisteanna Coitianta
Cén chaoi a bhfuil an uimhir seachtaine ISO sainithe?
Faoi ISO 8601, tosaíonn seachtainí ar an Luan agus is é seachtain 1 an tseachtain ina bhfuil an chéad Déardaoin den bhliain — mar an gcéanna, an tseachtain ina bhfuil an 4 Eanáir.
Cén fáth a mbíonn an bhliain ISO difriúil ón mbliain féilire uaireanta?
Is féidir le dátaí sna chéad laethanta d'Eanáir titim sa tseachtain ISO dheireanach den bhliain roimhe sin, agus is féidir le dátaí i ndeireadh mhí na Nollag titim i seachtain 1 den bhliain ina dhiaidh sin.Léiríonn an bhliain uimhriúcháin seachtaine ISO cén bhliain a mbaineann an tseachtain leis.
Cén ráithe ina bhfuil an dáta?
Is é an ráithe an ráithe féilire an ghnáthdháta: Is é Q1 Eanáir-Márta, Q2 Aibreán-Meitheamh, Q3 Iúil-Meán Fómhair agus Q4 Deireadh Fómhair-Nollaig.
Cé mhéad seachtain atá i mbliain?
Faoi ISO 8601, tá 52 sheachtain ag bliain i bhformhór na mblianta agus 53 seachtain i roinnt blianta (nuair a thiteann an 1 Eanáir nó an 31 Nollaig ar Déardaoin).Insíonn an uirlis duit cé mhéad seachtain ISO atá fágtha sa bhliain reatha.
Cad é an difríocht idir ISO agus US uimhriú seachtaine?
ISO weeks start on Monday with week 1 holding the first Thursday. The common US convention starts weeks on Sunday and calls the week of 1 January week 1. Úsáideann an t- áireamhán seo an caighdeán ISO, mar sin is féidir uimhreacha a bheith difriúil ag ceann amháin ó féilire na Stát Aontaithe.
Cad a chiallaíonn CW nó KW ar fhéilire?
Is lipéid iad CW (seachtain féilire) agus KW (Kalenderwoche) na Gearmáine le haghaidh uimhir na seachtaine ISO - CW 34 is ISO week 34. Iontráil aon dáta sa tseachtain sin chun a dheimhniú cén CW/ KW lena mbaineann sé.
Is meastacháin iad na torthaí le haghaidh treoir ghinearálta amháin, ní comhairle airgeadais, leighis nó cánach.