PHP date_sunset Function

Definition :

In php date_sunset() Function is inbuilt function.PHP date_sunset() function is used to get the sunset time for a specified day and location. It returns the sunset time of the place based on the given latitude, longitude, zenith, and gmt offset of that place.

Syntax

date_sunset(timestamp, format, latitude, longitude, zenith, gmtoffset)

Parameter

Parameter	Description
timestamp	Required. Specifies the timestamp of the day from which the sunset time is taken
format	Optional. Specifies how to return the result: SUNFUNCS_RET_STRING (returns the result as string. e.g. 16:46) (This is default) SUNFUNCS_RET_DOUBLE (returns the result as float. e.g. 16.78243132) SUNFUNCS_RET_TIMESTAMP (returns the result as integer (timestamp). e.g. 1095034606)
latitude	Optional. Specifies the latitude of the location. Defaults to North. To specify a value for South, pass in a negative value
longitude	Optional. Specifies the longitude of the location. Defaults to East. To specify a value for West, pass in a negative value
zenith	Optional. Defaults to date.sunset_zenith
gmtoffset	Optional. Specifies the difference between GMT and local time in hours

Given below example return the sunset time for Lisbon, Portugal today:

Output :