This Poly provides ability to track today's Jewish date, holidays today or tomorrow and Shabbat end time based on 8.5 degrees for Polyglot v3 server.
Polyglot v3 server.
Enter longitude and latitude - used to determine sunset (to advance the day, since days start at night). Also used to determine sun 8.5 degrees below the horizon as time for Shabbat end at location.
Please report any problems on the UDI user forum.
Thanks and good luck.