unixtojd
(PHP 4, PHP 5, PHP 7, PHP 8)
unixtojd — Convert Unix timestamp to Julian Day
Description
unixtojd(?int $timestamp = null): int|false
Return the Julian Day for a Unix timestamp (seconds since 1.1.1970), or for the current day if no timestamp is given. Either way, the time is regarded as local time (not UTC).
Parameters
-
timestamp -
A unix timestamp to convert.
Return Values
A julian day number as integer, or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | timestamp is nullable now. |
See Also
- jdtounix() - Convert Julian Day to Unix timestamp
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.unixtojd.php
