Amavasya (अमावस्या) dates and timings in Perth for 1966
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 | 20 Jan 1966, 9:31 pm GMT+8 | 21 Jan 1966, 11:46 pm GMT+8 | 26 hr 15 min | Yes |
| 2 | 19 Feb 1966, 4:17 pm GMT+8 | 20 Feb 1966, 6:49 pm GMT+8 | 26 hr 32 min | Yes |
| 3 | 21 Mar 1966, 10:38 am GMT+8 | 22 Mar 1966, 12:46 pm GMT+8 | 26 hr 8 min | Yes |
| 4 | 20 Apr 1966, 3:25 am GMT+8 | 21 Apr 1966, 4:34 am GMT+8 | 25 hr 10 min | Yes |
| 5 | 19 May 1966, 5:53 pm GMT+8 | 20 May 1966, 5:42 pm GMT+8 | 23 hr 49 min | Yes |
| 6 | 18 Jun 1966, 5:46 am GMT+8 | 19 Jun 1966, 4:08 am GMT+8 | 22 hr 23 min | Yes |
| 7 | 17 Jul 1966, 3:22 pm GMT+8 | 18 Jul 1966, 12:30 pm GMT+8 | 21 hr 8 min | Yes |
| 8 | 15 Aug 1966, 11:27 pm GMT+8 | 16 Aug 1966, 7:47 pm GMT+8 | 20 hr 20 min | Yes |
| 9 | 14 Sept 1966, 7:07 am GMT+8 | 15 Sept 1966, 3:13 am GMT+8 | 20 hr 6 min | Yes |
| 10 | 13 Oct 1966, 3:24 pm GMT+8 | 14 Oct 1966, 11:51 am GMT+8 | 20 hr 27 min | Yes |
| 11 | 12 Nov 1966, 1:07 am GMT+8 | 12 Nov 1966, 10:26 pm GMT+8 | 21 hr 18 min | No |
| 12 | 11 Dec 1966, 12:42 pm GMT+8 | 12 Dec 1966, 11:13 am GMT+8 | 22 hr 31 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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