Trayodashi (त्रयोदशी) dates and timings in Perth for 1974
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 | 20 Jan 1974, 10:54 am GMT+8 | 21 Jan 1974, 1:38 pm GMT+8 | 26 hr 45 min | Yes |
| 2 | 19 Feb 1974, 7:00 am GMT+8 | 20 Feb 1974, 9:32 am GMT+8 | 26 hr 32 min | Yes |
| 3 | 21 Mar 1974, 2:16 am GMT+8 | 22 Mar 1974, 3:50 am GMT+8 | 25 hr 35 min | Yes |
| 4 | 19 Apr 1974, 7:12 pm GMT+8 | 20 Apr 1974, 7:29 pm GMT+8 | 24 hr 17 min | Yes |
| 5 | 19 May 1974, 9:21 am GMT+8 | 20 May 1974, 8:19 am GMT+8 | 22 hr 58 min | Yes |
| 6 | 17 Jun 1974, 8:52 pm GMT+8 | 18 Jun 1974, 6:43 pm GMT+8 | 21 hr 51 min | Yes |
| 7 | 17 Jul 1974, 6:15 am GMT+8 | 18 Jul 1974, 3:15 am GMT+8 | 21 hr 0 min | Yes |
| 8 | 15 Aug 1974, 2:05 pm GMT+8 | 16 Aug 1974, 10:38 am GMT+8 | 20 hr 32 min | Yes |
| 9 | 13 Sept 1974, 9:10 pm GMT+8 | 14 Sept 1974, 5:43 pm GMT+8 | 20 hr 33 min | Yes |
| 10 | 13 Oct 1974, 4:28 am GMT+8 | 14 Oct 1974, 1:35 am GMT+8 | 21 hr 7 min | Yes |
| 11 | 11 Nov 1974, 2:07 pm GMT+9 | 12 Nov 1974, 12:20 pm GMT+9 | 22 hr 13 min | Yes |
| 12 | 11 Dec 1974, 1:07 am GMT+9 | 12 Dec 1974, 12:46 am GMT+9 | 23 hr 40 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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