Trayodashi (त्रयोदशी) dates and timings in Perth for 1974
Verified astronomical start and end times for lunar day 13 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 6 Jan 1974, 7:10 am GMT+8 | 7 Jan 1974, 3:57 am GMT+8 | 20 hr 46 min | Yes |
| 2 | 4 Feb 1974, 6:01 pm GMT+8 | 5 Feb 1974, 2:37 pm GMT+8 | 20 hr 36 min | Yes |
| 3 | 6 Mar 1974, 3:13 am GMT+8 | 7 Mar 1974, 12:06 am GMT+8 | 20 hr 53 min | Yes |
| 4 | 4 Apr 1974, 11:17 am GMT+8 | 5 Apr 1974, 8:55 am GMT+8 | 21 hr 38 min | Yes |
| 5 | 3 May 1974, 7:14 pm GMT+8 | 4 May 1974, 6:02 pm GMT+8 | 22 hr 47 min | Yes |
| 6 | 2 Jun 1974, 4:16 am GMT+8 | 3 Jun 1974, 4:26 am GMT+8 | 24 hr 10 min | Yes |
| 7 | 1 Jul 1974, 3:19 pm GMT+8 | 2 Jul 1974, 4:45 pm GMT+8 | 25 hr 26 min | Yes |
| 8 | 31 Jul 1974, 4:46 am GMT+8 | 1 Aug 1974, 7:03 am GMT+8 | 26 hr 17 min | Yes |
| 9 | 29 Aug 1974, 8:26 pm GMT+8 | 30 Aug 1974, 10:56 pm GMT+8 | 26 hr 29 min | Yes |
| 10 | 28 Sept 1974, 1:41 pm GMT+8 | 29 Sept 1974, 3:43 pm GMT+8 | 26 hr 2 min | Yes |
| 11 | 28 Oct 1974, 8:40 am GMT+9 | 29 Oct 1974, 9:45 am GMT+9 | 25 hr 5 min | Yes |
| 12 | 27 Nov 1974, 2:31 am GMT+9 | 28 Nov 1974, 2:20 am GMT+9 | 23 hr 49 min | Yes |
| 13 | 26 Dec 1974, 7:11 pm GMT+9 | 27 Dec 1974, 5:40 pm GMT+9 | 22 hr 29 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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