Trayodashi (त्रयोदशी) dates and timings in Adelaide for 1985
Verified astronomical start and end times for lunar day 13 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 | 4 Jan 1985, 1:15 pm GMT+10:30 | 5 Jan 1985, 1:45 pm GMT+10:30 | 24 hr 30 min | Yes |
| 2 | 3 Feb 1985, 6:54 am GMT+10:30 | 4 Feb 1985, 5:51 am GMT+10:30 | 22 hr 57 min | Yes |
| 3 | 4 Mar 1985, 8:22 pm GMT+9:30 | 5 Mar 1985, 5:59 pm GMT+9:30 | 21 hr 37 min | Yes |
| 4 | 3 Apr 1985, 7:37 am GMT+9:30 | 4 Apr 1985, 4:24 am GMT+9:30 | 20 hr 47 min | Yes |
| 5 | 2 May 1985, 4:15 pm GMT+9:30 | 3 May 1985, 12:46 pm GMT+9:30 | 20 hr 31 min | Yes |
| 6 | 31 May 1985, 11:10 pm GMT+9:30 | 1 Jun 1985, 7:52 pm GMT+9:30 | 20 hr 43 min | Yes |
| 7 | 30 Jun 1985, 5:17 am GMT+9:30 | 1 Jul 1985, 2:35 am GMT+9:30 | 21 hr 17 min | Yes |
| 8 | 29 Jul 1985, 11:42 am GMT+9:30 | 30 Jul 1985, 9:53 am GMT+9:30 | 22 hr 11 min | Yes |
| 9 | 27 Aug 1985, 7:34 pm GMT+9:30 | 28 Aug 1985, 6:56 pm GMT+9:30 | 23 hr 22 min | Yes |
| 10 | 26 Sept 1985, 6:08 am GMT+9:30 | 27 Sept 1985, 6:51 am GMT+9:30 | 24 hr 43 min | Yes |
| 11 | 25 Oct 1985, 8:19 pm GMT+9:30 | 26 Oct 1985, 10:17 pm GMT+9:30 | 25 hr 59 min | Yes |
| 12 | 24 Nov 1985, 3:10 pm GMT+10:30 | 25 Nov 1985, 5:52 pm GMT+10:30 | 26 hr 42 min | Yes |
| 13 | 24 Dec 1985, 11:27 am GMT+10:30 | 25 Dec 1985, 1:59 pm GMT+10:30 | 26 hr 32 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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