Amavasya (अमावस्या) dates and timings in Adelaide for 1989
Verified astronomical start and end times for lunar day 30 in Adelaide, shown in Australia/Adelaide.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 7 Jan 1989, 7:38 am GMT+10:30 | 8 Jan 1989, 5:52 am GMT+10:30 | 22 hr 14 min | Yes |
| 2 | 5 Feb 1989, 8:59 pm GMT+10:30 | 6 Feb 1989, 6:06 pm GMT+10:30 | 21 hr 8 min | Yes |
| 3 | 7 Mar 1989, 8:22 am GMT+10:30 | 8 Mar 1989, 4:48 am GMT+10:30 | 20 hr 26 min | Yes |
| 4 | 5 Apr 1989, 4:51 pm GMT+9:30 | 6 Apr 1989, 1:02 pm GMT+9:30 | 20 hr 12 min | Yes |
| 5 | 5 May 1989, 12:48 am GMT+9:30 | 5 May 1989, 9:16 pm GMT+9:30 | 20 hr 28 min | No |
| 6 | 3 Jun 1989, 8:06 am GMT+9:30 | 4 Jun 1989, 5:22 am GMT+9:30 | 21 hr 16 min | Yes |
| 7 | 2 Jul 1989, 3:57 pm GMT+9:30 | 3 Jul 1989, 2:29 pm GMT+9:30 | 22 hr 31 min | Yes |
| 8 | 1 Aug 1989, 1:35 am GMT+9:30 | 2 Aug 1989, 1:35 am GMT+9:30 | 24 hr 0 min | Yes |
| 9 | 30 Aug 1989, 1:52 pm GMT+9:30 | 31 Aug 1989, 3:14 pm GMT+9:30 | 25 hr 23 min | Yes |
| 10 | 29 Sept 1989, 4:59 am GMT+9:30 | 30 Sept 1989, 7:16 am GMT+9:30 | 26 hr 18 min | Yes |
| 11 | 28 Oct 1989, 10:25 pm GMT+9:30 | 30 Oct 1989, 1:57 am GMT+10:30 | 26 hr 32 min | Yes |
| 12 | 27 Nov 1989, 6:06 pm GMT+10:30 | 28 Nov 1989, 8:10 pm GMT+10:30 | 26 hr 4 min | Yes |
| 13 | 27 Dec 1989, 12:47 pm GMT+10:30 | 28 Dec 1989, 1:49 pm GMT+10:30 | 25 hr 2 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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