Trayodashi (त्रयोदशी) dates and timings in Brisbane for 2021
Verified astronomical start and end times for lunar day 28 in Brisbane, shown in Australia/Brisbane.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 10 Jan 2021, 9:23 pm GMT+10 | 11 Jan 2021, 7:02 pm GMT+10 | 21 hr 40 min | Yes |
| 2 | 9 Feb 2021, 7:50 am GMT+10 | 10 Feb 2021, 6:35 am GMT+10 | 22 hr 46 min | Yes |
| 3 | 10 Mar 2021, 7:10 pm GMT+10 | 11 Mar 2021, 7:10 pm GMT+10 | 24 hr 0 min | Yes |
| 4 | 9 Apr 2021, 7:46 am GMT+10 | 10 Apr 2021, 8:58 am GMT+10 | 25 hr 12 min | Yes |
| 5 | 8 May 2021, 9:51 pm GMT+10 | 10 May 2021, 12:01 am GMT+10 | 26 hr 10 min | Yes |
| 6 | 7 Jun 2021, 1:18 pm GMT+10 | 8 Jun 2021, 3:54 pm GMT+10 | 26 hr 36 min | Yes |
| 7 | 7 Jul 2021, 5:32 am GMT+10 | 8 Jul 2021, 7:50 am GMT+10 | 26 hr 18 min | Yes |
| 8 | 5 Aug 2021, 9:39 pm GMT+10 | 6 Aug 2021, 10:58 pm GMT+10 | 25 hr 19 min | Yes |
| 9 | 4 Sept 2021, 12:54 pm GMT+10 | 5 Sept 2021, 12:51 pm GMT+10 | 23 hr 57 min | Yes |
| 10 | 4 Oct 2021, 3:00 am GMT+10 | 5 Oct 2021, 1:35 am GMT+10 | 22 hr 36 min | Yes |
| 11 | 2 Nov 2021, 4:01 pm GMT+10 | 3 Nov 2021, 1:32 pm GMT+10 | 21 hr 31 min | Yes |
| 12 | 2 Dec 2021, 4:05 am GMT+10 | 3 Dec 2021, 12:56 am GMT+10 | 20 hr 51 min | Yes |
| 13 | 31 Dec 2021, 3:10 pm GMT+10 | 1 Jan 2022, 11:47 am GMT+10 | 20 hr 37 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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