Amavasya (अमावस्या) dates and timings in Adelaide for 2021
Verified astronomical start and end times for lunar day 30 in Adelaide, shown in Australia/Adelaide.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 12 Jan 2021, 5:22 pm GMT+10:30 | 13 Jan 2021, 3:30 pm GMT+10:30 | 22 hr 7 min | Yes |
| 2 | 11 Feb 2021, 6:09 am GMT+10:30 | 12 Feb 2021, 5:35 am GMT+10:30 | 23 hr 26 min | Yes |
| 3 | 12 Mar 2021, 8:03 pm GMT+10:30 | 13 Mar 2021, 8:51 pm GMT+10:30 | 24 hr 48 min | Yes |
| 4 | 11 Apr 2021, 10:03 am GMT+9:30 | 12 Apr 2021, 12:00 pm GMT+9:30 | 25 hr 57 min | Yes |
| 5 | 11 May 2021, 1:55 am GMT+9:30 | 12 May 2021, 4:29 am GMT+9:30 | 26 hr 34 min | Yes |
| 6 | 9 Jun 2021, 5:58 pm GMT+9:30 | 10 Jun 2021, 8:22 pm GMT+9:30 | 26 hr 24 min | Yes |
| 7 | 9 Jul 2021, 9:17 am GMT+9:30 | 10 Jul 2021, 10:46 am GMT+9:30 | 25 hr 30 min | Yes |
| 8 | 7 Aug 2021, 11:11 pm GMT+9:30 | 8 Aug 2021, 11:20 pm GMT+9:30 | 24 hr 8 min | Yes |
| 9 | 6 Sept 2021, 11:38 am GMT+9:30 | 7 Sept 2021, 10:21 am GMT+9:30 | 22 hr 43 min | Yes |
| 10 | 6 Oct 2021, 12:04 am GMT+10:30 | 6 Oct 2021, 9:35 pm GMT+10:30 | 21 hr 31 min | No |
| 11 | 4 Nov 2021, 11:03 am GMT+10:30 | 5 Nov 2021, 7:44 am GMT+10:30 | 20 hr 41 min | Yes |
| 12 | 3 Dec 2021, 9:56 pm GMT+10:30 | 4 Dec 2021, 6:13 pm GMT+10:30 | 20 hr 17 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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