Dwadashi (द्वादशी) dates and timings in Perth for 2100
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 2100, 2:25 pm GMT+8 | 23 Jan 2100, 2:31 pm GMT+8 | 24 hr 6 min | Yes |
| 2 | 21 Feb 2100, 7:19 am GMT+8 | 22 Feb 2100, 6:06 am GMT+8 | 22 hr 48 min | Yes |
| 3 | 22 Mar 2100, 9:04 pm GMT+8 | 23 Mar 2100, 6:49 pm GMT+8 | 21 hr 46 min | Yes |
| 4 | 21 Apr 2100, 7:36 am GMT+8 | 22 Apr 2100, 4:41 am GMT+8 | 21 hr 5 min | Yes |
| 5 | 20 May 2100, 3:21 pm GMT+8 | 21 May 2100, 12:09 pm GMT+8 | 20 hr 48 min | Yes |
| 6 | 18 Jun 2100, 9:10 pm GMT+8 | 19 Jun 2100, 6:08 pm GMT+8 | 20 hr 57 min | Yes |
| 7 | 18 Jul 2100, 2:21 am GMT+8 | 18 Jul 2100, 11:57 pm GMT+8 | 21 hr 35 min | No |
| 8 | 16 Aug 2100, 8:25 am GMT+8 | 17 Aug 2100, 7:05 am GMT+8 | 22 hr 39 min | Yes |
| 9 | 14 Sept 2100, 4:52 pm GMT+8 | 15 Sept 2100, 4:52 pm GMT+8 | 24 hr 0 min | Yes |
| 10 | 14 Oct 2100, 4:48 am GMT+8 | 15 Oct 2100, 6:08 am GMT+8 | 25 hr 19 min | Yes |
| 11 | 12 Nov 2100, 8:35 pm GMT+8 | 13 Nov 2100, 10:51 pm GMT+8 | 26 hr 16 min | Yes |
| 12 | 12 Dec 2100, 3:32 pm GMT+8 | 13 Dec 2100, 6:08 pm GMT+8 | 26 hr 36 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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