Convert datetime data in pandas DataFrame from seconds to timedelta type while handling zero values as NaT efficiently using the `DataFrame.filter` and `apply` functions.

Forming Timedeltas for Segments of Rows in Time Series Data

Handling datetime objects in pandas version 1.4.x: What's changed?

Calculating Timedelta Without Date Components in Python

Converting Columns to timedelta64 in Pandas: A Step-by-Step Guide

Converting Datetime Timedelta to Integer Months: Understanding the Issue and Solution

Converting Decimal Values of Days to Human-Readable Timedelta Format with Days, Hours, and Minutes in Pandas