Amavasya (अमावस्या) dates and timings in Perth for 1911
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 | 30 Dec 1910, 10:18 pm GMT+8 | 1 Jan 1911, 12:20 am GMT+8 | 26 hr 3 min | Yes |
| 2 | 29 Jan 1911, 4:59 pm GMT+8 | 30 Jan 1911, 5:44 pm GMT+8 | 24 hr 45 min | Yes |
| 3 | 28 Feb 1911, 9:13 am GMT+8 | 1 Mar 1911, 8:30 am GMT+8 | 23 hr 18 min | Yes |
| 4 | 29 Mar 1911, 10:38 pm GMT+8 | 30 Mar 1911, 8:37 pm GMT+8 | 21 hr 59 min | Yes |
| 5 | 28 Apr 1911, 9:26 am GMT+8 | 29 Apr 1911, 6:24 am GMT+8 | 20 hr 58 min | Yes |
| 6 | 27 May 1911, 6:03 pm GMT+8 | 28 May 1911, 2:23 pm GMT+8 | 20 hr 20 min | Yes |
| 7 | 26 Jun 1911, 1:10 am GMT+8 | 26 Jun 1911, 9:19 pm GMT+8 | 20 hr 9 min | No |
| 8 | 25 Jul 1911, 7:42 am GMT+8 | 26 Jul 1911, 4:11 am GMT+8 | 20 hr 30 min | Yes |
| 9 | 23 Aug 1911, 2:50 pm GMT+8 | 24 Aug 1911, 12:14 pm GMT+8 | 21 hr 23 min | Yes |
| 10 | 21 Sept 1911, 11:53 pm GMT+8 | 22 Sept 1911, 10:37 pm GMT+8 | 22 hr 44 min | Yes |
| 11 | 21 Oct 1911, 11:52 am GMT+8 | 22 Oct 1911, 12:09 pm GMT+8 | 24 hr 17 min | Yes |
| 12 | 20 Nov 1911, 3:10 am GMT+8 | 21 Nov 1911, 4:49 am GMT+8 | 25 hr 38 min | Yes |
| 13 | 19 Dec 1911, 9:13 pm GMT+8 | 20 Dec 1911, 11:40 pm GMT+8 | 26 hr 26 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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