jdtounix
(PHP 4, PHP 5, PHP 7)
jdtounix — Convert Julian Day to Unix timestamp
Description
jdtounix ( int $julian_day ) : int
This function will return a Unix timestamp corresponding to the Julian Day given in julian_day
. The time returned is UTC.
Parameters
-
julian_day
-
A julian day number between
2440588
and106751993607888
on 64bit systems, or between2440588
and2465443
on 32bit systems.
Return Values
The unix timestamp for the start (midnight, not noon) of the given Julian day
Errors/Exceptions
If julian_day
is outside of the allowed range, a ValueError is thrown.
Changelog
Version | Description |
---|---|
8.0.0 | This function no longer returns false on failure, but raises a ValueError instead. |
7.3.24, 7.4.12 | The upper limit of julian_day has been extended. Previously, it was 2465342 regardless of the architecture. |
See Also
- unixtojd() - Convert Unix timestamp to Julian Day
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.jdtounix.php