Amavasya (अमावस्या) dates and timings in San Jose for 2031
Verified astronomical start and end times for lunar day 30 in San Jose, 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 | 21 Jan 2031, 11:57 pm GMT-8 | 22 Jan 2031, 8:30 pm GMT-8 | 20 hr 33 min | Yes |
| 2 | 20 Feb 2031, 10:25 am GMT-8 | 21 Feb 2031, 7:48 am GMT-8 | 21 hr 24 min | Yes |
| 3 | 21 Mar 2031, 10:07 pm GMT-7 | 22 Mar 2031, 8:49 pm GMT-7 | 22 hr 41 min | Yes |
| 4 | 20 Apr 2031, 9:45 am GMT-7 | 21 Apr 2031, 9:57 am GMT-7 | 24 hr 12 min | Yes |
| 5 | 19 May 2031, 10:44 pm GMT-7 | 21 May 2031, 12:17 am GMT-7 | 25 hr 32 min | Yes |
| 6 | 18 Jun 2031, 1:04 pm GMT-7 | 19 Jun 2031, 3:24 pm GMT-7 | 26 hr 21 min | Yes |
| 7 | 18 Jul 2031, 4:13 am GMT-7 | 19 Jul 2031, 6:40 am GMT-7 | 26 hr 27 min | Yes |
| 8 | 16 Aug 2031, 7:38 pm GMT-7 | 17 Aug 2031, 9:32 pm GMT-7 | 25 hr 54 min | Yes |
| 9 | 15 Sept 2031, 10:53 am GMT-7 | 16 Sept 2031, 11:46 am GMT-7 | 24 hr 54 min | Yes |
| 10 | 15 Oct 2031, 1:43 am GMT-7 | 16 Oct 2031, 1:20 am GMT-7 | 23 hr 37 min | Yes |
| 11 | 13 Nov 2031, 2:54 pm GMT-8 | 14 Nov 2031, 1:09 pm GMT-8 | 22 hr 15 min | Yes |
| 12 | 13 Dec 2031, 4:03 am GMT-8 | 14 Dec 2031, 1:05 am GMT-8 | 21 hr 3 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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