Pratipada (प्रतिपदा) dates and timings in San Francisco for 2027
Verified astronomical start and end times for lunar day 1 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 | 7 Jan 2027, 12:24 pm GMT-8 | 8 Jan 2027, 3:04 pm GMT-8 | 26 hr 40 min | Yes |
| 2 | 6 Feb 2027, 7:56 am GMT-8 | 7 Feb 2027, 9:57 am GMT-8 | 26 hr 2 min | Yes |
| 3 | 8 Mar 2027, 1:29 am GMT-8 | 9 Mar 2027, 2:11 am GMT-8 | 24 hr 42 min | Yes |
| 4 | 6 Apr 2027, 4:51 pm GMT-7 | 7 Apr 2027, 3:59 pm GMT-7 | 23 hr 8 min | Yes |
| 5 | 6 May 2027, 3:58 am GMT-7 | 7 May 2027, 1:44 am GMT-7 | 21 hr 46 min | Yes |
| 6 | 4 Jun 2027, 12:40 pm GMT-7 | 5 Jun 2027, 9:29 am GMT-7 | 20 hr 49 min | Yes |
| 7 | 3 Jul 2027, 8:02 pm GMT-7 | 4 Jul 2027, 4:21 pm GMT-7 | 20 hr 19 min | Yes |
| 8 | 2 Aug 2027, 3:05 am GMT-7 | 2 Aug 2027, 11:21 pm GMT-7 | 20 hr 17 min | No |
| 9 | 31 Aug 2027, 10:41 am GMT-7 | 1 Sept 2027, 7:20 am GMT-7 | 20 hr 40 min | Yes |
| 10 | 29 Sept 2027, 7:36 pm GMT-7 | 30 Sept 2027, 5:05 pm GMT-7 | 21 hr 30 min | Yes |
| 11 | 29 Oct 2027, 6:36 am GMT-7 | 30 Oct 2027, 5:22 am GMT-7 | 22 hr 46 min | Yes |
| 12 | 27 Nov 2027, 7:24 pm GMT-8 | 28 Nov 2027, 7:43 pm GMT-8 | 24 hr 19 min | Yes |
| 13 | 27 Dec 2027, 12:12 pm GMT-8 | 28 Dec 2027, 1:58 pm GMT-8 | 25 hr 47 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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