Dwadashi (द्वादशी) dates and timings in Perth for 2100
Verified astronomical start and end times for lunar day 27 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 | 7 Jan 2100, 2:16 am GMT+8 | 8 Jan 2100, 12:30 am GMT+8 | 22 hr 14 min | Yes |
| 2 | 5 Feb 2100, 12:34 pm GMT+8 | 6 Feb 2100, 12:00 pm GMT+8 | 23 hr 26 min | Yes |
| 3 | 7 Mar 2100, 12:43 am GMT+8 | 8 Mar 2100, 1:30 am GMT+8 | 24 hr 47 min | Yes |
| 4 | 5 Apr 2100, 2:58 pm GMT+8 | 6 Apr 2100, 4:55 pm GMT+8 | 25 hr 57 min | Yes |
| 5 | 5 May 2100, 6:55 am GMT+8 | 6 May 2100, 9:28 am GMT+8 | 26 hr 33 min | Yes |
| 6 | 3 Jun 2100, 11:36 pm GMT+8 | 5 Jun 2100, 2:03 am GMT+8 | 26 hr 27 min | Yes |
| 7 | 3 Jul 2100, 4:04 pm GMT+8 | 4 Jul 2100, 5:50 pm GMT+8 | 25 hr 46 min | Yes |
| 8 | 2 Aug 2100, 7:46 am GMT+8 | 3 Aug 2100, 8:29 am GMT+8 | 24 hr 43 min | Yes |
| 9 | 31 Aug 2100, 10:28 pm GMT+8 | 1 Sept 2100, 10:01 pm GMT+8 | 23 hr 33 min | Yes |
| 10 | 30 Sept 2100, 12:03 pm GMT+8 | 1 Oct 2100, 10:28 am GMT+8 | 22 hr 24 min | Yes |
| 11 | 30 Oct 2100, 12:23 am GMT+8 | 30 Oct 2100, 9:50 pm GMT+8 | 21 hr 27 min | No |
| 12 | 28 Nov 2100, 11:17 am GMT+8 | 29 Nov 2100, 8:10 am GMT+8 | 20 hr 53 min | Yes |
| 13 | 27 Dec 2100, 8:54 pm GMT+8 | 28 Dec 2100, 5:45 pm GMT+8 | 20 hr 51 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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