Amavasya (अमावस्या) dates and timings in Sydney for 1931
Verified astronomical start and end times for lunar day 30 in Sydney, shown in Australia/Sydney.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 18 Jan 1931, 3:07 am GMT+10 | 19 Jan 1931, 4:35 am GMT+10 | 25 hr 28 min | Yes |
| 2 | 16 Feb 1931, 8:46 pm GMT+10 | 17 Feb 1931, 11:10 pm GMT+10 | 26 hr 24 min | Yes |
| 3 | 18 Mar 1931, 3:12 pm GMT+10 | 19 Mar 1931, 5:50 pm GMT+10 | 26 hr 38 min | Yes |
| 4 | 17 Apr 1931, 8:58 am GMT+10 | 18 Apr 1931, 10:59 am GMT+10 | 26 hr 1 min | Yes |
| 5 | 17 May 1931, 12:42 am GMT+10 | 18 May 1931, 1:27 am GMT+10 | 24 hr 45 min | Yes |
| 6 | 15 Jun 1931, 1:45 pm GMT+10 | 16 Jun 1931, 1:01 pm GMT+10 | 23 hr 16 min | Yes |
| 7 | 15 Jul 1931, 12:25 am GMT+10 | 15 Jul 1931, 10:19 pm GMT+10 | 21 hr 55 min | No |
| 8 | 13 Aug 1931, 9:31 am GMT+10 | 14 Aug 1931, 6:26 am GMT+10 | 20 hr 56 min | Yes |
| 9 | 11 Sept 1931, 6:03 pm GMT+10 | 12 Sept 1931, 2:26 pm GMT+10 | 20 hr 23 min | Yes |
| 10 | 11 Oct 1931, 2:49 am GMT+10 | 11 Oct 1931, 11:05 pm GMT+10 | 20 hr 16 min | No |
| 11 | 9 Nov 1931, 12:17 pm GMT+10 | 10 Nov 1931, 8:55 am GMT+10 | 20 hr 38 min | Yes |
| 12 | 8 Dec 1931, 10:47 pm GMT+10 | 9 Dec 1931, 8:15 pm GMT+10 | 21 hr 28 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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