Timezones on Frederico Gago

Timezones on Frederico Gago – Tech Blog https://fredericogago.github.io/frederico-gago/tags/timezones/ Recent content in Timezones on Frederico Gago – Tech Blog Hugo -- 0.147.0 en-us Sun, 18 Jan 2026 13:00:00 +0000 UTC, Time Zones, and ETL: A Real Story About a Silent DST Bug (and a Lucky Escape) https://fredericogago.github.io/frederico-gago/posts/utc-timezone-etl-dst-real-story/ Sun, 18 Jan 2026 13:00:00 +0000 https://fredericogago.github.io/frederico-gago/posts/utc-timezone-etl-dst-real-story/ A real-world ETL story about timestamp vs timestamptz, UTC, DST, client tooling, and how a production bug was avoided by coincidence — plus the principles that came out of it.