Trayodashi (त्रयोदशी) dates and timings in Brisbane for 2011
Verified astronomical start and end times for lunar day 13 in Brisbane, shown in Australia/Brisbane.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 17 Jan 2011, 12:59 pm GMT+10 | 18 Jan 2011, 11:43 am GMT+10 | 22 hr 44 min | Yes |
| 2 | 16 Feb 2011, 3:40 am GMT+10 | 17 Feb 2011, 1:09 am GMT+10 | 21 hr 29 min | Yes |
| 3 | 17 Mar 2011, 3:12 pm GMT+10 | 18 Mar 2011, 11:51 am GMT+10 | 20 hr 39 min | Yes |
| 4 | 15 Apr 2011, 11:54 pm GMT+10 | 16 Apr 2011, 8:17 pm GMT+10 | 20 hr 23 min | Yes |
| 5 | 15 May 2011, 6:41 am GMT+10 | 16 May 2011, 3:24 am GMT+10 | 20 hr 43 min | Yes |
| 6 | 13 Jun 2011, 12:50 pm GMT+10 | 14 Jun 2011, 10:21 am GMT+10 | 21 hr 31 min | Yes |
| 7 | 12 Jul 2011, 7:35 pm GMT+10 | 13 Jul 2011, 6:14 pm GMT+10 | 22 hr 39 min | Yes |
| 8 | 11 Aug 2011, 4:03 am GMT+10 | 12 Aug 2011, 3:57 am GMT+10 | 23 hr 55 min | Yes |
| 9 | 9 Sept 2011, 3:06 pm GMT+10 | 10 Sept 2011, 4:13 pm GMT+10 | 25 hr 6 min | Yes |
| 10 | 9 Oct 2011, 5:19 am GMT+10 | 10 Oct 2011, 7:22 am GMT+10 | 26 hr 3 min | Yes |
| 11 | 7 Nov 2011, 10:43 pm GMT+10 | 9 Nov 2011, 1:16 am GMT+10 | 26 hr 33 min | Yes |
| 12 | 7 Dec 2011, 6:32 pm GMT+10 | 8 Dec 2011, 8:54 pm GMT+10 | 26 hr 22 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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