If we want to convert UnixTime to local time, we can use an external service, e.g.: https://unixtime.co.za/.
According to the example on: https://unixtime.co.za/,
the API query looks like as following:
API call: https://showcase.api.linx.twenty57.net/UnixTime/fromunix?timestamp=1549892280.
Below is presented how we can easily perform this conversion. In the example, we will use data on sunrise from the OpenWeatherMap website - an example of receiving data is available at the link: