unixtojd – Convert Unix Timestamp to Julian Day Count (PHP)
This article explains the PHP function unixtojd, which converts a given Unix timestamp into its corresponding Julian Day number, returning the current day's count when no timestamp is supplied, and details its parameter and return value.
The unixtojd function converts a Unix timestamp to a Julian Day count.
Signature: int unixtojd([int $timestamp = time()])
If a timestamp is provided, the function returns the Julian Day number corresponding to that date; if omitted, it uses the current time.
Parameter
$timestamp – the Unix timestamp to be converted.
Return value
Returns an integer representing the Julian Day number.
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