Trayodashi (त्रयोदशी) dates and timings in Adelaide for 1987
Verified astronomical start and end times for lunar day 13 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 1987, 5:28 am GMT+10:30 | 13 Jan 1987, 8:03 am GMT+10:30 | 26 hr 35 min | Yes |
| 2 | 11 Feb 1987, 1:25 am GMT+10:30 | 12 Feb 1987, 3:44 am GMT+10:30 | 26 hr 19 min | Yes |
| 3 | 12 Mar 1987, 8:47 pm GMT+10:30 | 13 Mar 1987, 10:15 pm GMT+10:30 | 25 hr 29 min | Yes |
| 4 | 11 Apr 1987, 1:10 pm GMT+9:30 | 12 Apr 1987, 1:24 pm GMT+9:30 | 24 hr 14 min | Yes |
| 5 | 11 May 1987, 3:41 am GMT+9:30 | 12 May 1987, 2:32 am GMT+9:30 | 22 hr 51 min | Yes |
| 6 | 9 Jun 1987, 3:08 pm GMT+9:30 | 10 Jun 1987, 12:43 pm GMT+9:30 | 21 hr 35 min | Yes |
| 7 | 8 Jul 1987, 11:56 pm GMT+9:30 | 9 Jul 1987, 8:39 pm GMT+9:30 | 20 hr 43 min | Yes |
| 8 | 7 Aug 1987, 7:03 am GMT+9:30 | 8 Aug 1987, 3:26 am GMT+9:30 | 20 hr 23 min | Yes |
| 9 | 5 Sept 1987, 1:40 pm GMT+9:30 | 6 Sept 1987, 10:17 am GMT+9:30 | 20 hr 37 min | Yes |
| 10 | 4 Oct 1987, 8:56 pm GMT+9:30 | 5 Oct 1987, 6:19 pm GMT+9:30 | 21 hr 22 min | Yes |
| 11 | 3 Nov 1987, 6:51 am GMT+10:30 | 4 Nov 1987, 5:20 am GMT+10:30 | 22 hr 29 min | Yes |
| 12 | 2 Dec 1987, 6:04 pm GMT+10:30 | 3 Dec 1987, 5:50 pm GMT+10:30 | 23 hr 46 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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