Trayodashi (त्रयोदशी) dates and timings in Perth for 1983
Verified astronomical start and end times for lunar day 28 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 11 Jan 1983, 5:15 am GMT+8 | 12 Jan 1983, 7:44 am GMT+8 | 26 hr 28 min | Yes |
| 2 | 10 Feb 1983, 12:50 am GMT+8 | 11 Feb 1983, 3:35 am GMT+8 | 26 hr 45 min | Yes |
| 3 | 11 Mar 1983, 8:34 pm GMT+8 | 12 Mar 1983, 10:44 pm GMT+8 | 26 hr 10 min | Yes |
| 4 | 10 Apr 1983, 2:38 pm GMT+8 | 11 Apr 1983, 3:39 pm GMT+8 | 25 hr 1 min | Yes |
| 5 | 10 May 1983, 6:06 am GMT+8 | 11 May 1983, 5:47 am GMT+8 | 23 hr 41 min | Yes |
| 6 | 8 Jun 1983, 6:53 pm GMT+8 | 9 Jun 1983, 5:20 pm GMT+8 | 22 hr 27 min | Yes |
| 7 | 8 Jul 1983, 5:21 am GMT+8 | 9 Jul 1983, 2:47 am GMT+8 | 21 hr 26 min | Yes |
| 8 | 6 Aug 1983, 2:02 pm GMT+8 | 7 Aug 1983, 10:47 am GMT+8 | 20 hr 45 min | Yes |
| 9 | 4 Sept 1983, 9:35 pm GMT+8 | 5 Sept 1983, 6:03 pm GMT+8 | 20 hr 29 min | Yes |
| 10 | 4 Oct 1983, 4:50 am GMT+8 | 5 Oct 1983, 1:34 am GMT+8 | 20 hr 44 min | Yes |
| 11 | 2 Nov 1983, 1:49 pm GMT+9 | 3 Nov 1983, 11:23 am GMT+9 | 21 hr 34 min | Yes |
| 12 | 1 Dec 1983, 11:37 pm GMT+9 | 2 Dec 1983, 10:28 pm GMT+9 | 22 hr 51 min | Yes |
| 13 | 31 Dec 1983, 12:00 pm GMT+9 | 1 Jan 1984, 12:20 pm GMT+9 | 24 hr 20 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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