Syntax of date_sun_info
array date_sun_info(int timestamp, float latitude, float longitude)
Returns information as an associative array about the times of sunrise and sunset, and the times twilight begins and ends, at a given latitude and longitude. The resulting array contains the following keys
sunrise The time sunrise occurs
sunset The time sunset occurs
transit The time the sun is at its zenith
civil_twilight_begin The time civil twilight begins
civil_twilight_end The time civil twilight ends
nautical_twilight_begin The time nautical twilight begins
nautical_twilight_end The time nautical twilight ends
astronomical_twilight_begin The time astronomical twilight begins
astronomical_twilight_end The time astronomical twilight ends