(PHP 4, PHP 5, PHP 7, PHP 8)
jdtounix — Convert Julian Day to Unix timestamp
$julian_day): int
This function will return a Unix timestamp corresponding to the
Julian Day given in julian_day. The time returned is
UTC.
julian_day
A julian day number between 2440588 and 106751993607888
on 64bit systems, or between 2440588 and 2465443 on 32bit systems.
The unix timestamp for the start (midnight, not noon) of the given Julian day
If julian_day is outside of the allowed range,
a ValueError is thrown.
| 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.
|