The date_sunrise() function returns the time of sunrise for a given day / location. It returns the time of the sunrise, in the specified format, on success. FALSE on failure.
Syntax
date_sunrise(timestamp,format,latitude,longitude,zenith,gmtoffset);
Parameters
timestamp − Timestamp of the day from which the sunrise time is taken.
format − Specifies how to return the result:
SUNFUNCS_RET_STRING : returns the result as string.
SUNFUNCS_RET_DOUBLE : returns the result as float.
SUNFUNCS_RET_TIMESTAMP :returns the result as integer (timestamp)
latitude − specifies the latitude of the location. The latitude defaults to North. If you want to specify a South value, you must pass a negative value.
longitude − specifies the longitude of the location. The longitude defaults to East. If you want to specify a West value, you must pass a negative value.
zenith − Defaults to date.sunrise_zenith
gmtoffset − The difference between GMT and local time in hours.
Return
The date_sunrise() function returns the time of the sunrise, in the specified format, on success. FALSE on failure.
Example
The following is an example −
<?php
echo("Date: " . date("D M d Y") . "<br />");
echo("Sunrise time: ");
echo(date_sunrise(time(),SUNFUNCS_RET_STRING,38.4,-9,90,1));
?>Output
The following is the output −
Date: Wed Oct 10 2018 Sunrise time: 07:43
Example
Let us see another example −
<?php
$res = strtotime('2018-10-25');
var_dump(date_sunrise($res, SUNFUNCS_RET_STRING, 69.245833, -53.537222));
?>Output
The following is the output −
string(5) "11:28"