What is a Unix Timestamp?
A Unix timestamp (also known as Epoch time or POSIX time) is a system for tracking time as a running count of seconds. It represents the number of seconds that have elapsed since 00:00:00 UTC on January 1, 1970, not counting leap seconds.
Unix timestamps are timezone-independent and are widely used in programming, databases, and APIs for storing and comparing dates and times.
Common Use Cases
🗄️ Database Storage
Store dates and times in a compact, timezone-independent format.
🌐 API Communication
Exchange date/time information between systems without timezone confusion.
📊 Data Analysis
Perform time-based calculations and comparisons easily with numeric values.
🐛 Debugging
Convert timestamps in logs to human-readable dates for troubleshooting.
Timestamp Formats
Unix Seconds
10-digit number representing seconds since the Unix epoch. Example: 1735200000
Unix Milliseconds
13-digit number representing milliseconds since the Unix epoch. Example: 1735200000000
ISO 8601
International standard for date and time representation. Example: 2026-04-26T12:00:00.000Z
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