# \#standard-lib

**URL:** https://discourse.julialang.org/tag/standard-lib/1266.md

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## [Determine date range given year and week number](https://discourse.julialang.org/t/determine-date-range-given-year-and-week-number/93878)

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**Author:** [@isentropic](https://discourse.julialang.org/u/isentropic)\
**Replies:** 14\
**Last updated:** [March 30, 2025, 10:25pm UTC](https://discourse.julialang.org/t/determine-date-range-given-year-and-week-number/93878 "2025-03-30T22:25:50Z")

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How can I get the date range (or just the Date of the Monday) of that week? For example, I have year = 2023 week=5, somehow I need to know that the Monday of that week is 2023-01-30. Using a relevant contructor from Da…