Trayodashi (त्रयोदशी) dates and timings in Adelaide for 1991
Verified astronomical start and end times for lunar day 28 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 | 13 Jan 1991, 3:02 am GMT+10:30 | 14 Jan 1991, 5:40 am GMT+10:30 | 26 hr 38 min | Yes |
| 2 | 11 Feb 1991, 11:36 pm GMT+10:30 | 13 Feb 1991, 1:35 am GMT+10:30 | 25 hr 59 min | Yes |
| 3 | 13 Mar 1991, 5:38 pm GMT+9:30 | 14 Mar 1991, 6:19 pm GMT+9:30 | 24 hr 40 min | Yes |
| 4 | 12 Apr 1991, 9:37 am GMT+9:30 | 13 Apr 1991, 8:45 am GMT+9:30 | 23 hr 8 min | Yes |
| 5 | 11 May 1991, 10:08 pm GMT+9:30 | 12 May 1991, 7:57 pm GMT+9:30 | 21 hr 50 min | Yes |
| 6 | 10 Jun 1991, 7:44 am GMT+9:30 | 11 Jun 1991, 4:42 am GMT+9:30 | 20 hr 58 min | Yes |
| 7 | 9 Jul 1991, 3:24 pm GMT+9:30 | 10 Jul 1991, 11:59 am GMT+9:30 | 20 hr 35 min | Yes |
| 8 | 7 Aug 1991, 10:06 pm GMT+9:30 | 8 Aug 1991, 6:46 pm GMT+9:30 | 20 hr 39 min | Yes |
| 9 | 6 Sept 1991, 4:47 am GMT+9:30 | 7 Sept 1991, 1:55 am GMT+9:30 | 21 hr 8 min | Yes |
| 10 | 5 Oct 1991, 12:21 pm GMT+9:30 | 6 Oct 1991, 10:20 am GMT+9:30 | 21 hr 59 min | Yes |
| 11 | 3 Nov 1991, 10:49 pm GMT+10:30 | 4 Nov 1991, 10:01 pm GMT+10:30 | 23 hr 12 min | Yes |
| 12 | 3 Dec 1991, 11:08 am GMT+10:30 | 4 Dec 1991, 11:47 am GMT+10:30 | 24 hr 38 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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