Note:
Uses UTC time to get the milliseconds elapsed between January 1, 1970 and
the specified date.
Syntax:
dateName.UTC(param1, param2, param3, param4, param5, param6, param7)
Parameters:
param1 Required; the four-digit year.
param2 Optional; the month. Value: 0 to 11.
param3 Optional; the day of the month. Value: 1 to 31.
param4 Optional; the hour. Value: 0 to 23.
param5 Optional; the minutes. Value: 0 to 59.
param6 Optional; the seconds. Value: 0 to 59.
param7 Optional; the milliseconds elapsed during the current second.
Value: 0 to 999.