Timestamp to Date Converter

Decode Unix timestamps into readable local and UTC times.

—
Your local time
—
UTC
—
ISO 8601

Values of 10–11 digits are treated as seconds, 12–13 digits as milliseconds — matching what APIs emit, per the Date to Timestamp converter. A date beyond year 2100 usually means a ms/seconds mixup; the auto-detect here avoids that trap.

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关于

Paste any Unix timestamp — seconds or milliseconds are auto-detected — and read it back as your local time, UTC and ISO 8601.

The classic failure this prevents: passing a millisecond value to a seconds-based API (or vice versa) and getting a date in the year 50,000. Auto-detect catches it on sight.

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