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
2440588and106751993607888on 64bit systems, or between2440588and2465443on 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