Working with Date Time
🕒 Working with DateTime in CSV and Excel Files — A Cross-Platform Guide for Engineers and Data Analysts Whether you're an engineer, analyst, or researcher, handling date and time data across CSV and Excel files often leads to formatting headaches — especially when using both Linux and Windows systems. Things get even more complicated when working with microsecond precision , and Microsoft Excel can wreak havoc by reformatting your data without warning. This article offers practical solutions to handle datetime data cleanly, consistently, and safely — across platforms. ✅ What’s the Best Format for Storing DateTime? Always use the ISO 8601 extended format with microseconds: YYYY-MM-DD HH:MM:SS.ffffff 🔹 Example : 2025-07-04 14:23:10.123456 Why this format? ✅ Unambiguous (no MM/DD vs DD/MM confusion) ✅ Alphabetically sortable ✅ Works with pandas , openpyxl , matplotlib , and most databases ✅ Compatible with both Linux and Windows ✅ Preserves microsecond-level pre...