(PHP 4, PHP 5, PHP 7)
unixtojd — Convert Unix timestamp to Julian Day
unixtojd ([ int|null $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).
timestamp
A unix timestamp to convert.
A julian day number as integer, or false on failure.
| Version | Description |
|---|---|
| 8.0.0 | timestamp is nullable now. |
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.unixtojd.php