Notable Unix Timestamps: Epoch, Y2K38, 1672531200 and Other Milestones
A friendly reference to memorable Unix timestamps—0, 1000000000, 1234567890, 1672531200, 2147483647—and why they keep showing up in code and tests.
In-depth guides, tutorials, and explanations to help you understand the tools and concepts behind web development.
A friendly reference to memorable Unix timestamps—0, 1000000000, 1234567890, 1672531200, 2147483647—and why they keep showing up in code and tests.
What a Unix timestamp is, how the format works, seconds vs milliseconds, the trailing Z, and converting to and from human dates.
Working across timezones: understanding UTC, handling daylight saving, and tools for scheduling international meetings.
Put your knowledge into practice with our free online utilities.
Browse All Tools