Dwadashi (द्वादशी) dates and timings in Perth for 2081
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 | 22 Jan 2081, 12:36 am GMT+8 | 22 Jan 2081, 10:13 pm GMT+8 | 21 hr 37 min | No |
| 2 | 20 Feb 2081, 12:27 pm GMT+8 | 21 Feb 2081, 9:25 am GMT+8 | 20 hr 57 min | Yes |
| 3 | 21 Mar 2081, 9:47 pm GMT+8 | 22 Mar 2081, 6:38 pm GMT+8 | 20 hr 51 min | Yes |
| 4 | 20 Apr 2081, 5:15 am GMT+8 | 21 Apr 2081, 2:27 am GMT+8 | 21 hr 12 min | Yes |
| 5 | 19 May 2081, 11:43 am GMT+8 | 20 May 2081, 9:36 am GMT+8 | 21 hr 52 min | Yes |
| 6 | 17 Jun 2081, 6:15 pm GMT+8 | 18 Jun 2081, 5:03 pm GMT+8 | 22 hr 48 min | Yes |
| 7 | 17 Jul 2081, 2:03 am GMT+8 | 18 Jul 2081, 1:59 am GMT+8 | 23 hr 56 min | Yes |
| 8 | 15 Aug 2081, 12:18 pm GMT+8 | 16 Aug 2081, 1:27 pm GMT+8 | 25 hr 8 min | Yes |
| 9 | 14 Sept 2081, 1:55 am GMT+8 | 15 Sept 2081, 4:06 am GMT+8 | 26 hr 11 min | Yes |
| 10 | 13 Oct 2081, 7:02 pm GMT+8 | 14 Oct 2081, 9:43 pm GMT+8 | 26 hr 41 min | Yes |
| 11 | 12 Nov 2081, 2:40 pm GMT+8 | 13 Nov 2081, 5:02 pm GMT+8 | 26 hr 22 min | Yes |
| 12 | 12 Dec 2081, 11:03 am GMT+8 | 13 Dec 2081, 12:22 pm GMT+8 | 25 hr 20 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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