Dwadashi (द्वादशी) dates and timings in Perth for 2021
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 | 25 Jan 2021, 1:28 am GMT+8 | 26 Jan 2021, 2:55 am GMT+8 | 25 hr 27 min | Yes |
| 2 | 23 Feb 2021, 8:35 pm GMT+8 | 24 Feb 2021, 8:36 pm GMT+8 | 24 hr 0 min | Yes |
| 3 | 25 Mar 2021, 12:17 pm GMT+8 | 26 Mar 2021, 10:51 am GMT+8 | 22 hr 34 min | Yes |
| 4 | 24 Apr 2021, 12:18 am GMT+8 | 24 Apr 2021, 9:47 pm GMT+8 | 21 hr 30 min | No |
| 5 | 23 May 2021, 9:13 am GMT+8 | 24 May 2021, 6:09 am GMT+8 | 20 hr 56 min | Yes |
| 6 | 21 Jun 2021, 4:01 pm GMT+8 | 22 Jun 2021, 12:52 pm GMT+8 | 20 hr 50 min | Yes |
| 7 | 20 Jul 2021, 9:47 pm GMT+8 | 21 Jul 2021, 6:56 pm GMT+8 | 21 hr 9 min | Yes |
| 8 | 19 Aug 2021, 3:36 am GMT+8 | 20 Aug 2021, 1:24 am GMT+8 | 21 hr 48 min | Yes |
| 9 | 17 Sept 2021, 10:38 am GMT+8 | 18 Sept 2021, 9:24 am GMT+8 | 22 hr 47 min | Yes |
| 10 | 16 Oct 2021, 8:08 pm GMT+8 | 17 Oct 2021, 8:09 pm GMT+8 | 24 hr 2 min | Yes |
| 11 | 15 Nov 2021, 9:10 am GMT+8 | 16 Nov 2021, 10:32 am GMT+8 | 25 hr 22 min | Yes |
| 12 | 15 Dec 2021, 2:06 am GMT+8 | 16 Dec 2021, 4:32 am GMT+8 | 26 hr 26 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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