Trayodashi (त्रयोदशी) dates and timings in Perth for 1900
Verified astronomical start and end times for lunar day 13 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 | 12 Jan 1900, 11:32 pm GMT+8 | 14 Jan 1900, 12:20 am GMT+8 | 24 hr 49 min | Yes |
| 2 | 11 Feb 1900, 3:23 pm GMT+8 | 12 Feb 1900, 5:19 pm GMT+8 | 25 hr 56 min | Yes |
| 3 | 13 Mar 1900, 8:48 am GMT+8 | 14 Mar 1900, 11:16 am GMT+8 | 26 hr 28 min | Yes |
| 4 | 12 Apr 1900, 2:36 am GMT+8 | 13 Apr 1900, 4:59 am GMT+8 | 26 hr 22 min | Yes |
| 5 | 11 May 1900, 7:46 pm GMT+8 | 12 May 1900, 9:29 pm GMT+8 | 25 hr 43 min | Yes |
| 6 | 10 Jun 1900, 11:32 am GMT+8 | 11 Jun 1900, 12:10 pm GMT+8 | 24 hr 38 min | Yes |
| 7 | 10 Jul 1900, 1:25 am GMT+8 | 11 Jul 1900, 12:43 am GMT+8 | 23 hr 17 min | Yes |
| 8 | 8 Aug 1900, 1:18 pm GMT+8 | 9 Aug 1900, 11:16 am GMT+8 | 21 hr 58 min | Yes |
| 9 | 6 Sept 1900, 11:28 pm GMT+8 | 7 Sept 1900, 8:25 pm GMT+8 | 20 hr 57 min | Yes |
| 10 | 6 Oct 1900, 8:32 am GMT+8 | 7 Oct 1900, 5:00 am GMT+8 | 20 hr 27 min | Yes |
| 11 | 4 Nov 1900, 5:19 pm GMT+8 | 5 Nov 1900, 1:53 pm GMT+8 | 20 hr 34 min | Yes |
| 12 | 4 Dec 1900, 2:31 am GMT+8 | 4 Dec 1900, 11:44 pm GMT+8 | 21 hr 13 min | No |
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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