Question

How to calculate the week number for a given date in Rust

Answer 1

use chrono::{NaiveDate, Datelike};

fn main() {
    // Parse a date
    let date = NaiveDate::parse_from_str("2025-03-15", "%Y-%m-%d").unwrap();
    
    // Get the ISO week number
    let week_number = date.iso_week().week();
    
    println!("Week number: {}", week_number);
}

 
      
/*
run:
   
Week number: 11
     
*/

 

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