Amavasya (अमावस्या) dates and timings in Perth for 2011
Verified astronomical start and end times for lunar day 30 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 3 Jan 2011, 4:46 pm GMT+8 | 4 Jan 2011, 5:02 pm GMT+8 | 24 hr 16 min | Yes |
| 2 | 2 Feb 2011, 8:56 am GMT+8 | 3 Feb 2011, 10:30 am GMT+8 | 25 hr 34 min | Yes |
| 3 | 4 Mar 2011, 2:25 am GMT+8 | 5 Mar 2011, 4:45 am GMT+8 | 26 hr 20 min | Yes |
| 4 | 2 Apr 2011, 8:05 pm GMT+8 | 3 Apr 2011, 10:32 pm GMT+8 | 26 hr 27 min | Yes |
| 5 | 2 May 2011, 12:54 pm GMT+8 | 3 May 2011, 2:50 pm GMT+8 | 25 hr 57 min | Yes |
| 6 | 1 Jun 2011, 4:08 am GMT+8 | 2 Jun 2011, 5:02 am GMT+8 | 24 hr 54 min | Yes |
| 7 | 30 Jun 2011, 5:22 pm GMT+8 | 1 Jul 2011, 4:53 pm GMT+8 | 23 hr 31 min | Yes |
| 8 | 30 Jul 2011, 4:34 am GMT+8 | 31 Jul 2011, 2:39 am GMT+8 | 22 hr 5 min | Yes |
| 9 | 28 Aug 2011, 2:08 pm GMT+8 | 29 Aug 2011, 11:04 am GMT+8 | 20 hr 55 min | Yes |
| 10 | 26 Sept 2011, 10:54 pm GMT+8 | 27 Sept 2011, 7:08 pm GMT+8 | 20 hr 15 min | Yes |
| 11 | 26 Oct 2011, 7:46 am GMT+8 | 27 Oct 2011, 3:55 am GMT+8 | 20 hr 9 min | Yes |
| 12 | 24 Nov 2011, 5:30 pm GMT+8 | 25 Nov 2011, 2:09 pm GMT+8 | 20 hr 39 min | Yes |
| 13 | 24 Dec 2011, 4:30 am GMT+8 | 25 Dec 2011, 2:06 am GMT+8 | 21 hr 35 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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