Dwadashi (द्वादशी) dates and timings in San Francisco for 2027
Verified astronomical start and end times for lunar day 12 in San Francisco, shown in America/Los_Angeles.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 18 Jan 2027, 6:20 pm GMT-8 | 19 Jan 2027, 3:11 pm GMT-8 | 20 hr 52 min | Yes |
| 2 | 17 Feb 2027, 4:02 am GMT-8 | 18 Feb 2027, 12:58 am GMT-8 | 20 hr 56 min | Yes |
| 3 | 18 Mar 2027, 1:21 pm GMT-7 | 19 Mar 2027, 10:47 am GMT-7 | 21 hr 26 min | Yes |
| 4 | 16 Apr 2027, 8:58 pm GMT-7 | 17 Apr 2027, 7:12 pm GMT-7 | 22 hr 14 min | Yes |
| 5 | 16 May 2027, 4:43 am GMT-7 | 17 May 2027, 3:58 am GMT-7 | 23 hr 15 min | Yes |
| 6 | 14 Jun 2027, 1:38 pm GMT-7 | 15 Jun 2027, 2:01 pm GMT-7 | 24 hr 23 min | Yes |
| 7 | 14 Jul 2027, 12:40 am GMT-7 | 15 Jul 2027, 2:11 am GMT-7 | 25 hr 30 min | Yes |
| 8 | 12 Aug 2027, 2:30 pm GMT-7 | 13 Aug 2027, 4:51 pm GMT-7 | 26 hr 22 min | Yes |
| 9 | 11 Sept 2027, 7:06 am GMT-7 | 12 Sept 2027, 9:43 am GMT-7 | 26 hr 37 min | Yes |
| 10 | 11 Oct 2027, 1:39 am GMT-7 | 12 Oct 2027, 3:44 am GMT-7 | 26 hr 5 min | Yes |
| 11 | 9 Nov 2027, 7:41 pm GMT-8 | 10 Nov 2027, 8:37 pm GMT-8 | 24 hr 56 min | Yes |
| 12 | 9 Dec 2027, 1:50 pm GMT-8 | 10 Dec 2027, 1:23 pm GMT-8 | 23 hr 33 min | Yes |
How these timings are calculated
BDA calculates the geocentric angular separation of the Moon and Sun and divides the full cycle into 30 equal 12-degree Tithi sectors. UTC boundaries are converted to the timezone resolved from the listed city coordinates.
Scope: These are astronomical Tithi spans only. This page does not choose a festival, Vrat, Parana, or Muhurta date. Those decisions require their separately certified sunrise-prevalence and observance rules.
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