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How Can I Efficiently Check if a Date Falls Within a Range Using C# DateTime?
Published on 2025-01-30
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Checking Date Range with DateTime in C#
When determining if a specific date falls within a predefined range, it's crucial to consider efficient approaches. While direct comparison may seem obvious, let's explore a leaner solution.
Simple Comparison
The following code utilizes simple comparison to assess if a given date, dateToCheck, lies between two dates, startDate and endDate:
return dateToCheck >= startDate && dateToCheckConsiderations
However, it's important to keep in mind that:
- Time Zones: DateTime can represent different time zones, so ensure consistency.
- Inclusivity: Determine if start and end points should be inclusive or exclusive. The code above treats the lower bound as inclusive and the upper bound as exclusive.
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