- "Which is the first day of the week? And which is week 1 of the year? (FAQ - Time) : FAQs : Reference : National Physical Laboratory". www.npl.co.uk (in ଇଂରାଜୀ). Retrieved 28 July 2018.
- "How every day of the week got its name". TheFreeDictionary.com. Retrieved 13 February 2022.
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