The value sunrise:1688784096 represents the sunrise time in Unix timestamp format. A Unix timestamp is a way to represent dates and times as the number of seconds that have elapsed since January 1, 1970, at 00:00:00 UTC (Coordinated Universal Time).

In this case, the sunrise time is given as 1687479187. To convert it to a human-readable format, you can use various programming libraries or tools that support date and time manipulation.