Get week number of a date in C#

To get current week number of a date in C# we can use method ISOWeek.GetWeekOfYear() which takes DateTime as parameter and return an int for current week number.

Remember to include namespace: using System.Globalization;

Example

using System;
using System.Globalization;

public class Program
{
	public static void Main()
	{
		DateTime date = new DateTime(2022, 8, 1, 12, 0, 0);
		int numberOfWeeks = ISOWeek.GetWeekOfYear(date);
		Console.WriteLine(numberOfWeeks);
	}
}

Output

Conclusion

In this page (written and validated by A. Gawali) you learned about Get week number of a date in C# . What's Next? If you are interested in completing C# tutorial, we encourage you simply to start here: C# Tutorial.

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