ph_tounixtime PowerHome formula function
Description
Converts a PowerHome datetime value to a standard Unix time value (number of seconds past midnight, Jan 1, 1970)
Syntax
ph_tounixtime ( adt_datetime, ai_utcoffset )
Argument Description
adt_datetime Datetime. The PowerHome DateTime value you wish to convert to Unix time
ai_utcoffset Integer. The offset from UTC (Coordinated Universal Time) in minutes to be applied to the calculation (Unix time is stored as UTC) 
Return value
Double. Converts the PowerHome DateTime value in adt_datetime to a standard Unix time value and applying the current timezone offset in ai_utcoffset so that the resulting value is the number of seconds past midnight, Jan 1, 1970 UTC 
Usage
Use this function to convert a PowerHome DateTime value to a standard Unix time value 
Examples
The following examples demonstrate typical syntax/usage for this function.
• ph_tounixtime(datetime(date("05/07/2020"),time("16:41:32")), -300) - Returns a standard Unix time value of 1588887692. The ai_utcoffset value of -300 assumes being in the Eastern US timezone