Amavasya (अमावस्या) dates and timings in Perth for 1979
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 | 27 Jan 1979, 6:08 pm GMT+8 | 28 Jan 1979, 2:19 pm GMT+8 | 20 hr 11 min | Yes |
| 2 | 26 Feb 1979, 4:22 am GMT+8 | 27 Feb 1979, 12:45 am GMT+8 | 20 hr 22 min | Yes |
| 3 | 27 Mar 1979, 1:58 pm GMT+8 | 28 Mar 1979, 10:59 am GMT+8 | 21 hr 1 min | Yes |
| 4 | 25 Apr 1979, 11:14 pm GMT+8 | 26 Apr 1979, 9:14 pm GMT+8 | 22 hr 1 min | Yes |
| 5 | 25 May 1979, 8:45 am GMT+8 | 26 May 1979, 8:00 am GMT+8 | 23 hr 15 min | Yes |
| 6 | 23 Jun 1979, 7:22 pm GMT+8 | 24 Jun 1979, 7:57 pm GMT+8 | 24 hr 35 min | Yes |
| 7 | 23 Jul 1979, 7:52 am GMT+8 | 24 Jul 1979, 9:40 am GMT+8 | 25 hr 48 min | Yes |
| 8 | 21 Aug 1979, 10:37 pm GMT+8 | 23 Aug 1979, 1:10 am GMT+8 | 26 hr 33 min | Yes |
| 9 | 20 Sept 1979, 3:16 pm GMT+8 | 21 Sept 1979, 5:46 pm GMT+8 | 26 hr 30 min | Yes |
| 10 | 20 Oct 1979, 8:43 am GMT+8 | 21 Oct 1979, 10:23 am GMT+8 | 25 hr 39 min | Yes |
| 11 | 19 Nov 1979, 1:46 am GMT+8 | 20 Nov 1979, 2:03 am GMT+8 | 24 hr 17 min | Yes |
| 12 | 18 Dec 1979, 5:34 pm GMT+8 | 19 Dec 1979, 4:23 pm GMT+8 | 22 hr 49 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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