unixtimestamp.app Blog & Tutorials

Learn about our latest articles and tutorials.

Digital illustration representing the Year 2038 Unix time overflow problem.

December 17, 2025 • 8 min read

The Year 2038 Problem: What Happens When Unix Time Runs Out?

As we move deeper into the digital age, a ticking time bomb lurks within countless computer systems worldwide. The year 2038 problem represents a significant technical challenge that could affect everything from smartphones to industrial control systems. Unlike the Y2K bug that captured global attention at the turn of the millennium, this issue stems from a fundamental limitation in how many...

Illustration showing a digital timeline of Unix epoch time with a calendar set to January 1, 1970, a glowing seconds counter, programming code on a laptop, and a subtle 2038 warning, representing how computers measure time.

October 17, 2025 • 5 min read

Epoch Time: The Foundation of Unix Timestamps

What Exactly is Epoch Time? If you've ever worked with dates and times in programming, you've likely encountered Unix timestamps. But what are they really, and why do we use them? Unix epoch time (also called Unix time, POSIX time, or simply "epoch") represents a single moment in time as the number of seconds that have passed since January 1, 1970, at midnight UTC (Universal Coordinated Time)....