Amavasya (अमावस्या) dates and timings in Perth for 1987
Verified astronomical start and end times for lunar day 30 in Perth, shown in Australia/Perth.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 29 Jan 1987, 1:21 am GMT+8 | 29 Jan 1987, 9:44 pm GMT+8 | 20 hr 23 min | No |
| 2 | 27 Feb 1987, 11:32 am GMT+8 | 28 Feb 1987, 8:50 am GMT+8 | 21 hr 19 min | Yes |
| 3 | 28 Mar 1987, 10:08 pm GMT+8 | 29 Mar 1987, 8:45 pm GMT+8 | 22 hr 37 min | Yes |
| 4 | 27 Apr 1987, 9:33 am GMT+8 | 28 Apr 1987, 9:34 am GMT+8 | 24 hr 0 min | Yes |
| 5 | 26 May 1987, 10:00 pm GMT+8 | 27 May 1987, 11:13 pm GMT+8 | 25 hr 13 min | Yes |
| 6 | 25 Jun 1987, 11:32 am GMT+8 | 26 Jun 1987, 1:36 pm GMT+8 | 26 hr 4 min | Yes |
| 7 | 25 Jul 1987, 2:12 am GMT+8 | 26 Jul 1987, 4:37 am GMT+8 | 26 hr 25 min | Yes |
| 8 | 23 Aug 1987, 5:48 pm GMT+8 | 24 Aug 1987, 7:58 pm GMT+8 | 26 hr 10 min | Yes |
| 9 | 22 Sept 1987, 9:51 am GMT+8 | 23 Sept 1987, 11:08 am GMT+8 | 25 hr 17 min | Yes |
| 10 | 22 Oct 1987, 1:35 am GMT+8 | 23 Oct 1987, 1:27 am GMT+8 | 23 hr 53 min | Yes |
| 11 | 20 Nov 1987, 4:12 pm GMT+8 | 21 Nov 1987, 2:32 pm GMT+8 | 22 hr 20 min | Yes |
| 12 | 20 Dec 1987, 5:21 am GMT+8 | 21 Dec 1987, 2:25 am GMT+8 | 21 hr 4 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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