Trayodashi (त्रयोदशी) dates and timings in Perth for 1970
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 | 19 Jan 1970, 1:46 pm GMT+8 | 20 Jan 1970, 3:56 pm GMT+8 | 26 hr 10 min | Yes |
| 2 | 18 Feb 1970, 8:33 am GMT+8 | 19 Feb 1970, 11:12 am GMT+8 | 26 hr 39 min | Yes |
| 3 | 20 Mar 1970, 3:58 am GMT+8 | 21 Mar 1970, 6:19 am GMT+8 | 26 hr 21 min | Yes |
| 4 | 18 Apr 1970, 10:13 pm GMT+8 | 19 Apr 1970, 11:32 pm GMT+8 | 25 hr 19 min | Yes |
| 5 | 18 May 1970, 1:57 pm GMT+8 | 19 May 1970, 1:50 pm GMT+8 | 23 hr 53 min | Yes |
| 6 | 17 Jun 1970, 2:46 am GMT+8 | 18 Jun 1970, 1:14 am GMT+8 | 22 hr 28 min | Yes |
| 7 | 16 Jul 1970, 1:06 pm GMT+8 | 17 Jul 1970, 10:30 am GMT+8 | 21 hr 23 min | Yes |
| 8 | 14 Aug 1970, 9:51 pm GMT+8 | 15 Aug 1970, 6:36 pm GMT+8 | 20 hr 45 min | Yes |
| 9 | 13 Sept 1970, 5:52 am GMT+8 | 14 Sept 1970, 2:26 am GMT+8 | 20 hr 34 min | Yes |
| 10 | 12 Oct 1970, 1:52 pm GMT+8 | 13 Oct 1970, 10:41 am GMT+8 | 20 hr 49 min | Yes |
| 11 | 10 Nov 1970, 10:27 pm GMT+8 | 11 Nov 1970, 7:56 pm GMT+8 | 21 hr 29 min | Yes |
| 12 | 10 Dec 1970, 8:17 am GMT+8 | 11 Dec 1970, 6:51 am GMT+8 | 22 hr 34 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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