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Unix Timestamps in PHP
Core time(), date(), and DateTimeImmutable functions.
Complete PHP Recipe
<?php
// 1. Current timestamp
$currentSec = time();
$currentMs = (int)(microtime(true) * 1000);
// 2. Convert timestamp (1710000000) to human-readable date
$utcDate = gmdate('Y-m-d H:i:s', 1710000000); // UTC
$localDate = date('Y-m-d H:i:s', 1710000000); // Server local
// 3. Using DateTimeImmutable
$dt = (new DateTimeImmutable("@1710000000"))->setTimezone(new DateTimeZone('UTC'));
echo $dt->format(DateTimeInterface::ATOM); // ISO 8601
Test With Live Converter
Epoch → Human Date
Paste any Unix timestamp. The unit is auto-detected from its magnitude.
Auto-detects seconds, milliseconds, microseconds, or nanoseconds. Example: 1735689600
Detected:Auto (Seconds)
UTC ISO 8601
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Local — auto
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RFC 2822 / GMT
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Seconds Value
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Relative Time
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