The good days to buy or begin in San Francisco: Guru Pushya, Ravi Pushya, Amrit Siddhi, Sarvartha Siddhi, Dwipushkar and Tripushkar yoga, with their timings.
Tuesday, 2 December7:07 AM - 7:21 AM · Amrit Siddhi · Ashwini nakshatra
7:07 AM - 7:21 AM · Sarvartha Siddhi · Ashwini nakshatra
4:30 AM, 3 Dec - 7:08 AM, 3 Dec · Sarvartha Siddhi · Krittika nakshatra
Wednesday, 3 December7:08 AM - 7:09 AM, 4 Dec · Sarvartha Siddhi · Krittika, then Rohini nakshatra
Sunday, 7 December2:41 PM - 7:12 AM, 8 Dec · Ravi Pushya · Pushya nakshatra
2:41 PM - 7:12 AM, 8 Dec · Sarvartha Siddhi · Pushya nakshatra
Monday, 8 December7:12 AM - 1:22 PM · Sarvartha Siddhi · Pushya nakshatra
Tuesday, 9 December7:13 AM - 12:52 PM · Sarvartha Siddhi · Ashlesha nakshatra
Tuesday, 16 December7:18 AM - 10:27 AM · Tripushkar · Vishakha nakshatra
Wednesday, 17 December7:19 AM - 6:37 AM, 18 Dec · Amrit Siddhi · Anuradha nakshatra
7:19 AM - 6:37 AM, 18 Dec · Sarvartha Siddhi · Anuradha nakshatra
Sunday, 21 December2:06 PM - 7:21 AM, 22 Dec · Sarvartha Siddhi · Uttarashadha nakshatra
2:06 PM - 9:22 PM · Tripushkar · Uttarashadha nakshatra
Monday, 22 December4:02 PM - 7:22 AM, 23 Dec · Sarvartha Siddhi · Shravana nakshatra
Sunday, 28 December6:11 PM - 7:24 AM, 29 Dec · Sarvartha Siddhi · Ashwini nakshatra
Tuesday, 30 December2:28 PM - 7:24 AM, 31 Dec · Sarvartha Siddhi · Krittika nakshatra
3:31 PM - 7:24 AM, 31 Dec · Tripushkar · Krittika nakshatra
Wednesday, 31 December7:24 AM - 7:24 AM, 1 Jan · Sarvartha Siddhi · Krittika, then Rohini nakshatra
Guru Pushya is Thursday in Pushya nakshatra, Ravi Pushya is Sunday in Pushya. Amrit Siddhi is a weekday in its own nakshatra (Sunday Hasta, Monday Mrigashira, Tuesday Ashwini, Wednesday Anuradha, Thursday Pushya, Friday Revati, Saturday Rohini). Sarvartha Siddhi is a weekday in one of its favorable nakshatras. Dwipushkar and Tripushkar fall on a Sunday, Tuesday or Saturday with Dwitiya, Saptami or Dwadashi tithi and a particular nakshatra; what is begun in them is said to repeat, so anything that could bring a loss is avoided. A weekday runs from sunrise to the next sunrise.
Times are local to San Francisco. A day runs from sunrise to sunrise, so a window after midnight belongs to the date above it.