Dwadashi (द्वादशी) dates and timings in San Francisco for 2028
Verified astronomical start and end times for lunar day 12 in San Francisco, shown in America/Los_Angeles.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 8 Jan 2028, 6:06 am GMT-8 | 9 Jan 2028, 4:26 am GMT-8 | 22 hr 20 min | Yes |
| 2 | 6 Feb 2028, 7:55 pm GMT-8 | 7 Feb 2028, 5:22 pm GMT-8 | 21 hr 27 min | Yes |
| 3 | 7 Mar 2028, 7:00 am GMT-8 | 8 Mar 2028, 3:57 am GMT-8 | 20 hr 58 min | Yes |
| 4 | 5 Apr 2028, 4:28 pm GMT-7 | 6 Apr 2028, 1:22 pm GMT-7 | 20 hr 53 min | Yes |
| 5 | 4 May 2028, 11:03 pm GMT-7 | 5 May 2028, 8:18 pm GMT-7 | 21 hr 15 min | Yes |
| 6 | 3 Jun 2028, 4:56 am GMT-7 | 4 Jun 2028, 2:59 am GMT-7 | 22 hr 4 min | Yes |
| 7 | 2 Jul 2028, 11:34 am GMT-7 | 3 Jul 2028, 10:47 am GMT-7 | 23 hr 13 min | Yes |
| 8 | 31 Jul 2028, 8:21 pm GMT-7 | 1 Aug 2028, 8:54 pm GMT-7 | 24 hr 33 min | Yes |
| 9 | 30 Aug 2028, 8:17 am GMT-7 | 31 Aug 2028, 10:01 am GMT-7 | 25 hr 44 min | Yes |
| 10 | 28 Sept 2028, 11:37 pm GMT-7 | 30 Sept 2028, 2:04 am GMT-7 | 26 hr 26 min | Yes |
| 11 | 28 Oct 2028, 5:51 pm GMT-7 | 29 Oct 2028, 8:21 pm GMT-7 | 26 hr 30 min | Yes |
| 12 | 27 Nov 2028, 12:48 pm GMT-8 | 28 Nov 2028, 2:44 pm GMT-8 | 25 hr 56 min | Yes |
| 13 | 27 Dec 2028, 8:57 am GMT-8 | 28 Dec 2028, 9:51 am GMT-8 | 24 hr 54 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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