Blog
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EST vs EDT: What's the Difference and When Does Each Apply?
EST is UTC-5 and EDT is UTC-4. The switch happens twice a year with daylight saving time. Here's what each abbreviation means and why the distinction matters.
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How to Schedule Meetings Across Time Zones Without the Confusion
Time zone math is error-prone. Here's a practical system for scheduling meetings with remote and international teams — including DST traps and overlap strategies.
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What Is UTC? The Time Standard That Keeps the World in Sync
UTC stands for Coordinated Universal Time. It's the global time standard used in servers, APIs, and aviation. Here's how it works and why it matters.
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Daylight Saving Time Explained: Why It Exists and How It Works
Daylight saving time shifts clocks forward in spring and back in fall. Here's the real history, which countries use it, and why software engineers dread it.
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US Time Zones Explained: All 6 and What States They Cover
The US has 6 standard time zones — ET, CT, MT, PT, AKT, and HT. Here's which states fall where, their UTC offsets, and the notable exceptions worth knowing.
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Why You Need an Online World Clock (and How to Use One)
An online world clock shows the current time across multiple cities at once — far faster than mental math. Here are the best use cases and how to set one up.