Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and vice-versa (supports milliseconds).
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Convert Unix epoch timestamps to human-readable dates and vice-versa (supports milliseconds).
Unix Timestamp (seconds)
1777466160
Unix Timestamp (milliseconds)
1777466160000
ISO 8601
2026-04-29T12:36:51.000Z
UTC
Wed, 29 Apr 2026 12:36:51 GMT
Local Date
4/29/2026
Local Time
12:36:51 PM
Local Date & Time
4/29/2026, 12:36:51 PM
Unix (seconds)
1777466211
Unix (milliseconds)
1777466211000
Year
2026
Month
4
Day
29
Day of Week
Wed
• Definition: Seconds elapsed since January 1, 1970 00:00:00 UTC (Unix Epoch)
• 10 digits: Timestamp in seconds (standard Unix time)
• 13 digits: Timestamp in milliseconds (JavaScript Date.now())
• Timezone: Unix timestamps are timezone-independent (always UTC)
• JavaScript: Date.now() returns milliseconds
• Common Uses: Database timestamps, API responses, file metadata
Seconds vs Milliseconds
10-digit timestamps are seconds, 13-digit are milliseconds (JavaScript uses milliseconds)
Unix Epoch
January 1, 1970 00:00:00 UTC is the starting point (timestamp = 0)
Timezone independent
Unix timestamps are always UTC-based, independent of local timezone
JavaScript Date.now()
Returns milliseconds since epoch; divide by 1000 for seconds
Database timestamps
Most databases store timestamps as Unix time for consistency
2038 Problem
32-bit Unix time will overflow on January 19, 2038 (use 64-bit systems)