Skip to content
Screenshot 2025-09-05 at 3.47.48 PM
Ehud
by Ehud
on Sep 24, 2025 2:14:47 PM

It's 11:58 PM on December 31, and a Spark job is about to stamp the year's last log entry. Will that timestamp roll over seamlessly to January 1, or will time zone quirks and historical calendar ...