UNIXTOJD(3) 1 UNIXTOJD(3) unixtojd - Convert Unix timestamp to Julian DaySYNOPSISint unixtojd ([int $timestamp = time()])DESCRIPTIONReturn the Julian Day for a Unix $timestamp (seconds since 1.1.1970), or for the current day if no $timestamp is given.PARAMETERSo $timestamp - A unix timestamp to convert.RETURN VALUESA julian day number as integer.SEE ALSOjdtounix(3). PHP Documentation Group UNIXTOJD(3)