How Daylight Saving Time Works
Why clocks change twice a year, which countries still do it, and how to handle the transitions without confusion.
7 min readGuides
Plain-English explanations of time zones, daylight saving time, UTC, and everything in between.
UTC and GMT Explained
The difference between UTC and GMT, why it matters for software and travel, and how UTC offsets work.
6 min readHow to Schedule Meetings Across Time Zones
A practical guide to finding overlap windows, avoiding DST traps, and communicating times unambiguously.
8 min readWhat Is a Time Zone?
A complete explanation of how time zones are defined, why they follow political borders, and how the IANA database works.
7 min readWhy Countries Have Different Time Zones
The history behind how the world carved itself into time zones — from railroads to the International Meridian Conference.
8 min readThe History of Standard Time
How humanity went from local sun time to a globally agreed system, and the political battles fought along the way.
9 min readTime Zones for Developers
The most common time zone mistakes in software — storing UTC, handling DST gaps, and displaying local time correctly.
10 min readDaylight Saving Time Around the World
Which regions observe DST, which abolished it, and why the switch dates differ between countries.
6 min read