Dwadashi (द्वादशी) dates and timings in Perth for 1989
Verified astronomical start and end times for lunar day 12 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 | 18 Jan 1989, 5:18 am GMT+8 | 19 Jan 1989, 4:43 am GMT+8 | 23 hr 25 min | Yes |
| 2 | 16 Feb 1989, 5:48 pm GMT+8 | 17 Feb 1989, 6:34 pm GMT+8 | 24 hr 47 min | Yes |
| 3 | 18 Mar 1989, 8:36 am GMT+8 | 19 Mar 1989, 10:33 am GMT+8 | 25 hr 57 min | Yes |
| 4 | 17 Apr 1989, 1:11 am GMT+8 | 18 Apr 1989, 3:46 am GMT+8 | 26 hr 35 min | Yes |
| 5 | 16 May 1989, 6:25 pm GMT+8 | 17 May 1989, 8:53 pm GMT+8 | 26 hr 27 min | Yes |
| 6 | 15 Jun 1989, 11:11 am GMT+8 | 16 Jun 1989, 12:54 pm GMT+8 | 25 hr 43 min | Yes |
| 7 | 15 Jul 1989, 2:47 am GMT+8 | 16 Jul 1989, 3:25 am GMT+8 | 24 hr 38 min | Yes |
| 8 | 13 Aug 1989, 5:03 pm GMT+8 | 14 Aug 1989, 4:30 pm GMT+8 | 23 hr 27 min | Yes |
| 9 | 12 Sept 1989, 6:01 am GMT+8 | 13 Sept 1989, 4:21 am GMT+8 | 22 hr 20 min | Yes |
| 10 | 11 Oct 1989, 5:43 pm GMT+8 | 12 Oct 1989, 3:08 pm GMT+8 | 21 hr 25 min | Yes |
| 11 | 10 Nov 1989, 4:09 am GMT+8 | 11 Nov 1989, 1:02 am GMT+8 | 20 hr 52 min | Yes |
| 12 | 9 Dec 1989, 1:33 pm GMT+8 | 10 Dec 1989, 10:23 am GMT+8 | 20 hr 50 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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