[Advaita-l] Pradosham date: April 2018, California

[S Jayanarayanan]

When is the Pradosham in California, USA, this week? The following two temples have it as Thursday the 26th:
 
 https://www.svcctemple.org/SVCCTempleFremont/Index/2018042320554045389?CurrentTab=ImportantDates
Pradosham: April: Thu - 26 
 
 http://srimahakalmandir.org/april-2018-special-events/
26 April 2018: Thursday: Trayodasi Pradosham
 
As does this Panchangam:
 https://www.drikpanchang.com/vrats/pradoshdates.html?geoname-id=5392171&year=2018
 
 
But this Panchangam below has it as Friday the 27th:
Himalayan Academy Panchangam:  https://www.himalayanacademy.com/readlearn/panchangam
 
 
Not sure about this one:
 
 http://www.mypanchang.com/panchangam/SantaClara-CA/2018/4/0