Free online worldclock tool — no signup, instant results in your browser.https://worldclock.io/enhttps://worldclock.io/blog/est-vs-edt/https://worldclock.io/blog/est-vs-edt/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.Sat, 25 Apr 2026 00:00:00 GMThttps://worldclock.io/blog/how-to-schedule-meetings-across-time-zones/https://worldclock.io/blog/how-to-schedule-meetings-across-time-zones/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.Sat, 25 Apr 2026 00:00:00 GMThttps://worldclock.io/blog/what-is-utc/https://worldclock.io/blog/what-is-utc/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.Sat, 25 Apr 2026 00:00:00 GMThttps://worldclock.io/blog/daylight-saving-time-explained/https://worldclock.io/blog/daylight-saving-time-explained/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.Sat, 25 Apr 2026 00:00:00 GMThttps://worldclock.io/blog/us-time-zones/https://worldclock.io/blog/us-time-zones/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.Sat, 25 Apr 2026 00:00:00 GMThttps://worldclock.io/blog/world-clock-online/https://worldclock.io/blog/world-clock-online/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.Sat, 25 Apr 2026 00:00:00 GMT