Trayodashi (त्रयोदशी) dates and timings in Perth for 1911
Verified astronomical start and end times for lunar day 28 in Perth, shown in Australia/Perth.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 27 Jan 1911, 1:52 pm GMT+8 | 28 Jan 1911, 3:41 pm GMT+8 | 25 hr 49 min | Yes |
| 2 | 26 Feb 1911, 8:53 am GMT+8 | 27 Feb 1911, 9:22 am GMT+8 | 24 hr 29 min | Yes |
| 3 | 28 Mar 1911, 1:04 am GMT+8 | 29 Mar 1911, 12:09 am GMT+8 | 23 hr 6 min | Yes |
| 4 | 26 Apr 1911, 2:08 pm GMT+8 | 27 Apr 1911, 12:03 pm GMT+8 | 21 hr 55 min | Yes |
| 5 | 26 May 1911, 12:22 am GMT+8 | 26 May 1911, 9:26 pm GMT+8 | 21 hr 4 min | No |
| 6 | 24 Jun 1911, 8:18 am GMT+8 | 25 Jun 1911, 4:52 am GMT+8 | 20 hr 35 min | Yes |
| 7 | 23 Jul 1911, 2:43 pm GMT+8 | 24 Jul 1911, 11:15 am GMT+8 | 20 hr 32 min | Yes |
| 8 | 21 Aug 1911, 8:43 pm GMT+8 | 22 Aug 1911, 5:43 pm GMT+8 | 21 hr 0 min | Yes |
| 9 | 20 Sept 1911, 3:35 am GMT+8 | 21 Sept 1911, 1:35 am GMT+8 | 21 hr 59 min | Yes |
| 10 | 19 Oct 1911, 12:42 pm GMT+8 | 20 Oct 1911, 12:04 pm GMT+8 | 23 hr 22 min | Yes |
| 11 | 18 Nov 1911, 1:05 am GMT+8 | 19 Nov 1911, 1:55 am GMT+8 | 24 hr 50 min | Yes |
| 12 | 17 Dec 1911, 4:56 pm GMT+8 | 18 Dec 1911, 6:57 pm GMT+8 | 26 hr 1 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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