Amavasya (अमावस्या) dates and timings in Adelaide for 1999
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 | 17 Jan 1999, 1:49 am GMT+10:30 | 18 Jan 1999, 2:16 am GMT+10:30 | 24 hr 27 min | Yes |
| 2 | 15 Feb 1999, 6:09 pm GMT+10:30 | 16 Feb 1999, 5:08 pm GMT+10:30 | 22 hr 59 min | Yes |
| 3 | 17 Mar 1999, 7:42 am GMT+10:30 | 18 Mar 1999, 5:17 am GMT+10:30 | 21 hr 35 min | Yes |
| 4 | 15 Apr 1999, 5:18 pm GMT+9:30 | 16 Apr 1999, 1:51 pm GMT+9:30 | 20 hr 33 min | Yes |
| 5 | 15 May 1999, 1:30 am GMT+9:30 | 15 May 1999, 9:35 pm GMT+9:30 | 20 hr 5 min | No |
| 6 | 13 Jun 1999, 8:19 am GMT+9:30 | 14 Jun 1999, 4:32 am GMT+9:30 | 20 hr 13 min | Yes |
| 7 | 12 Jul 1999, 3:00 pm GMT+9:30 | 13 Jul 1999, 11:53 am GMT+9:30 | 20 hr 54 min | Yes |
| 8 | 10 Aug 1999, 10:40 pm GMT+9:30 | 11 Aug 1999, 8:38 pm GMT+9:30 | 21 hr 58 min | Yes |
| 9 | 9 Sept 1999, 8:15 am GMT+9:30 | 10 Sept 1999, 7:32 am GMT+9:30 | 23 hr 16 min | Yes |
| 10 | 8 Oct 1999, 8:27 pm GMT+9:30 | 9 Oct 1999, 9:04 pm GMT+9:30 | 24 hr 37 min | Yes |
| 11 | 7 Nov 1999, 12:35 pm GMT+10:30 | 8 Nov 1999, 2:23 pm GMT+10:30 | 25 hr 48 min | Yes |
| 12 | 7 Dec 1999, 6:29 am GMT+10:30 | 8 Dec 1999, 9:01 am GMT+10:30 | 26 hr 33 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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