Amavasya (अमावस्या) dates and timings in Perth for 2089
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 | 11 Jan 2089, 1:45 am GMT+8 | 12 Jan 2089, 4:18 am GMT+8 | 26 hr 33 min | Yes |
| 2 | 9 Feb 2089, 9:09 pm GMT+8 | 10 Feb 2089, 11:17 pm GMT+8 | 26 hr 8 min | Yes |
| 3 | 11 Mar 2089, 3:18 pm GMT+8 | 12 Mar 2089, 4:25 pm GMT+8 | 25 hr 7 min | Yes |
| 4 | 10 Apr 2089, 7:03 am GMT+8 | 11 Apr 2089, 6:46 am GMT+8 | 23 hr 43 min | Yes |
| 5 | 9 May 2089, 7:49 pm GMT+8 | 10 May 2089, 6:04 pm GMT+8 | 22 hr 15 min | Yes |
| 6 | 8 Jun 2089, 5:43 am GMT+8 | 9 Jun 2089, 2:45 am GMT+8 | 21 hr 2 min | Yes |
| 7 | 7 Jul 2089, 1:32 pm GMT+8 | 8 Jul 2089, 9:48 am GMT+8 | 20 hr 16 min | Yes |
| 8 | 5 Aug 2089, 8:23 pm GMT+8 | 6 Aug 2089, 4:29 pm GMT+8 | 20 hr 6 min | Yes |
| 9 | 4 Sept 2089, 3:30 am GMT+8 | 4 Sept 2089, 11:59 pm GMT+8 | 20 hr 29 min | No |
| 10 | 3 Oct 2089, 11:55 am GMT+8 | 4 Oct 2089, 9:16 am GMT+8 | 21 hr 21 min | Yes |
| 11 | 1 Nov 2089, 10:23 pm GMT+8 | 2 Nov 2089, 8:56 pm GMT+8 | 22 hr 33 min | Yes |
| 12 | 1 Dec 2089, 11:17 am GMT+8 | 2 Dec 2089, 11:12 am GMT+8 | 23 hr 55 min | Yes |
| 13 | 31 Dec 2089, 2:41 am GMT+8 | 1 Jan 2090, 3:58 am GMT+8 | 25 hr 16 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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