Dwadashi (द्वादशी) dates and timings in Perth for 1975
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 | 24 Jan 1975, 11:40 am GMT+9 | 25 Jan 1975, 9:40 am GMT+9 | 22 hr 0 min | Yes |
| 2 | 23 Feb 1975, 12:18 am GMT+9 | 23 Feb 1975, 9:24 pm GMT+9 | 21 hr 6 min | No |
| 3 | 24 Mar 1975, 8:50 am GMT+8 | 25 Mar 1975, 5:32 am GMT+8 | 20 hr 43 min | Yes |
| 4 | 22 Apr 1975, 3:59 pm GMT+8 | 23 Apr 1975, 12:53 pm GMT+8 | 20 hr 54 min | Yes |
| 5 | 21 May 1975, 9:59 pm GMT+8 | 22 May 1975, 7:35 pm GMT+8 | 21 hr 36 min | Yes |
| 6 | 20 Jun 1975, 4:12 am GMT+8 | 21 Jun 1975, 2:51 am GMT+8 | 22 hr 38 min | Yes |
| 7 | 19 Jul 1975, 11:51 am GMT+8 | 20 Jul 1975, 11:40 am GMT+8 | 23 hr 49 min | Yes |
| 8 | 17 Aug 1975, 9:53 pm GMT+8 | 18 Aug 1975, 10:50 pm GMT+8 | 24 hr 58 min | Yes |
| 9 | 16 Sept 1975, 10:58 am GMT+8 | 17 Sept 1975, 12:52 pm GMT+8 | 25 hr 54 min | Yes |
| 10 | 16 Oct 1975, 3:21 am GMT+8 | 17 Oct 1975, 5:49 am GMT+8 | 26 hr 28 min | Yes |
| 11 | 14 Nov 1975, 10:34 pm GMT+8 | 16 Nov 1975, 1:02 am GMT+8 | 26 hr 28 min | Yes |
| 12 | 14 Dec 1975, 7:17 pm GMT+8 | 15 Dec 1975, 9:02 pm GMT+8 | 25 hr 45 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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